Rental Property Return on Investment Calculator

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Rental Property Return on Investment Calculator

Understand your potential profitability before you invest.

Investment Property ROI Calculator

The total cost to acquire the property.
Total cash needed upfront (down payment, closing costs, initial repairs).
Total rent collected per year.
Includes property taxes, insurance, maintenance, property management fees, vacancy allowance, etc.
Sum of all principal and interest payments for the year.
The anticipated price if you were to sell the property.
Estimate of realtor commissions, closing costs, etc. (e.g., 8 for 8%).

Your Investment Performance

–%
Annual Net Operating Income (NOI)
Annual Cash Flow
Capitalization Rate (Cap Rate)
–%
Cash-on-Cash Return
–%
Total ROI
–%
Formula Explanation:

Net Operating Income (NOI): Annual Gross Rental Income – Annual Operating Expenses.
Annual Cash Flow: NOI – Total Annual Mortgage Payments.
Capitalization Rate (Cap Rate): (NOI / Purchase Price) * 100%. Measures unleveraged return.
Cash-on-Cash Return: (Annual Cash Flow / Initial Out-of-Pocket Investment) * 100%. Measures return on your invested cash.
Total ROI: [ (Annual Cash Flow + (Expected Sale Price * (1 – Selling Costs Percentage/100)) – Purchase Price – Initial Out-of-Pocket Investment) / Initial Out-of-Pocket Investment ] * 100%. Measures overall return considering sale.

Annual Cash Flow Over Time

Chart Explanation: This chart visualizes the projected annual cash flow of your rental property over the next 10 years, assuming consistent income and expenses. It helps illustrate the long-term profitability and stability of the investment.

Key Financial Metrics Summary

Metric Value Description
Purchase Price Initial cost to acquire the property.
Initial Investment Total cash required upfront.
Annual Gross Rental Income Total rent collected annually.
Annual Operating Expenses Costs associated with running the property.
Annual Mortgage Payments Total loan payments per year.
Net Operating Income (NOI) Profitability before financing and taxes.
Annual Cash Flow Net profit after all expenses and debt service.
Capitalization Rate (Cap Rate) –% Measures potential return on investment, ignoring financing.
Cash-on-Cash Return –% Return on the actual cash invested.
Total ROI –% Overall return including potential sale.

What is Rental Property Return on Investment (ROI)?

The rental property return on investment (ROI) is a crucial metric used by real estate investors to evaluate the profitability of an investment property. It quantifies the gain or loss generated from an investment relative to its cost. For rental properties, ROI helps investors understand how effectively their capital is being used to generate income and appreciate in value. It's not just about the monthly rent collected; it encompasses all costs, potential appreciation, and the initial capital deployed.

Anyone considering purchasing property for rental income should understand their expected rental property return on investment. This includes individual investors buying their first rental home, experienced landlords expanding their portfolio, and even institutional investors managing large real estate assets. It's a fundamental tool for comparing different investment opportunities and making informed financial decisions.

A common misconception is that ROI is solely determined by rental income. In reality, a comprehensive rental property return on investment calculation must account for all expenses (operating costs, mortgage payments, property taxes, insurance, maintenance, vacancy), initial investment (down payment, closing costs, immediate repairs), and potential future sale proceeds. Another misconception is that a property generating positive cash flow automatically has a good ROI; while positive cash flow is essential, the ROI must be viewed in relation to the initial capital invested.

Understanding and accurately calculating your rental property return on investment is key to successful real estate investing. This calculator helps demystify the process, providing clear insights into your investment's potential.

Rental Property Return on Investment (ROI) Formula and Mathematical Explanation

Calculating the rental property return on investment involves several steps to account for all financial aspects of owning and operating a rental property. We will break down the key components: Net Operating Income (NOI), Cash Flow, Capitalization Rate (Cap Rate), Cash-on-Cash Return, and Total ROI.

1. Net Operating Income (NOI)

NOI represents the property's profitability from its operations before accounting for financing costs (like mortgage payments) and income taxes.

NOI = Annual Gross Rental Income – Annual Operating Expenses

2. Annual Cash Flow

Cash Flow is the actual money left in your pocket after all expenses, including mortgage payments, are paid. This is a critical metric for immediate financial health.

Annual Cash Flow = NOI – Total Annual Mortgage Payments

3. Capitalization Rate (Cap Rate)

The Cap Rate is a measure of the unleveraged rate of return on a real estate investment property. It's calculated based on the expected income that the property will generate, assuming it's purchased with cash (no debt). It's useful for comparing similar properties.

Cap Rate = (NOI / Purchase Price) * 100%

4. Cash-on-Cash Return

This metric measures the return on the actual cash you invested in the property. It's particularly useful for leveraged investments (those with a mortgage) as it shows how effectively your down payment and other upfront costs are generating returns.

Cash-on-Cash Return = (Annual Cash Flow / Initial Out-of-Pocket Investment) * 100%

5. Total Return on Investment (Total ROI)

Total ROI provides a more comprehensive picture by considering not just the annual cash flow but also the equity gained from principal paydown and the profit (or loss) from selling the property. This requires estimating a future sale price and associated selling costs.

Total Investment Gain = Annual Cash Flow + (Equity Gained from Principal Paydown) + (Net Sale Proceeds – Purchase Price)
*Note: Equity gained from principal paydown is often implicitly handled in detailed models, but for a simpler estimation, we can focus on cash flow and net sale proceeds relative to the initial investment.*
Net Sale Proceeds = Expected Sale Price * (1 – Selling Costs Percentage / 100)
Total ROI = [ (Annual Cash Flow + Net Sale Proceeds – Purchase Price – Initial Out-of-Pocket Investment) / Initial Out-of-Pocket Investment ] * 100%

Variables Table for Rental Property ROI

Variable Meaning Unit Typical Range
Purchase Price The total cost to acquire the property. Currency (e.g., USD) Varies widely by location
Initial Out-of-Pocket Investment Total cash invested upfront (down payment, closing costs, initial repairs). Currency (e.g., USD) Typically 15-30% of Purchase Price + other costs
Annual Gross Rental Income Total rent collected from tenants over a year. Currency (e.g., USD) Depends on market rents and occupancy
Annual Operating Expenses All costs to operate the property annually (taxes, insurance, maintenance, management, vacancy, HOA fees, etc.). Currency (e.g., USD) Often 30-50% of Gross Rental Income
Total Annual Mortgage Payments Sum of principal and interest payments over a year. Currency (e.g., USD) Depends on loan terms and amount
Expected Sale Price Anticipated selling price of the property in the future. Currency (e.g., USD) Market dependent, often estimated with appreciation
Selling Costs Percentage Costs associated with selling the property (commissions, legal fees, etc.). Percentage (%) Typically 5-10%
Net Operating Income (NOI) Income after operating expenses but before debt service. Currency (e.g., USD) Positive value indicating operational profit
Annual Cash Flow Profit after all expenses, including mortgage. Currency (e.g., USD) Positive for profitable cash flow, negative otherwise
Capitalization Rate (Cap Rate) Unleveraged return metric. Percentage (%) Commercial: 4-10%+; Residential: Varies, often 3-8%
Cash-on-Cash Return Return on actual cash invested. Percentage (%) Target often 8-12%+ depending on risk
Total ROI Overall profitability considering all factors including sale. Percentage (%) Depends heavily on appreciation and holding period

Practical Examples of Rental Property ROI Calculation

Let's illustrate the rental property return on investment with two distinct scenarios to highlight how different factors influence the outcome.

Example 1: A Modest Suburban Duplex

An investor purchases a duplex for $300,000. They make a down payment of $60,000 (20%) and incur $10,000 in closing costs and initial minor repairs, making their Initial Out-of-Pocket Investment $70,000. The property generates $36,000 annually in gross rental income ($1,500/month per unit). Annual operating expenses (taxes, insurance, maintenance, vacancy, property management) are estimated at $12,000. The annual mortgage payments (principal and interest) are $14,400. The investor plans to hold the property for 5 years and anticipates selling it for $380,000, with selling costs estimated at 8%.

Inputs:

  • Purchase Price: $300,000
  • Initial Out-of-Pocket Investment: $70,000
  • Annual Gross Rental Income: $36,000
  • Annual Operating Expenses: $12,000
  • Annual Mortgage Payments: $14,400
  • Expected Sale Price: $380,000
  • Selling Costs Percentage: 8%

Calculations:

  • NOI = $36,000 – $12,000 = $24,000
  • Annual Cash Flow = $24,000 – $14,400 = $9,600
  • Cap Rate = ($24,000 / $300,000) * 100% = 8.0%
  • Cash-on-Cash Return = ($9,600 / $70,000) * 100% = 13.7%
  • Net Sale Proceeds = $380,000 * (1 – 0.08) = $349,600
  • Total ROI = [($9,600 + $349,600 – $300,000 – $70,000) / $70,000] * 100% = [($8,200) / $70,000] * 100% = 11.7%

Interpretation:

This property shows a solid Cash-on-Cash Return of 13.7%, indicating good returns on the initial cash invested. The Cap Rate of 8.0% is respectable for this market. The Total ROI, including the potential sale after 5 years, comes in at 11.7% annually averaged over the holding period, suggesting a sound investment.

Example 2: A High-Value Urban Condo with High Leverage

An investor buys a condo for $500,000. They put down $100,000 (20%) and have $15,000 in additional upfront costs, totaling an Initial Out-of-Pocket Investment of $115,000. The condo generates $48,000 annually in gross rental income. However, operating expenses (higher HOA fees, property management, insurance) are $18,000 per year. The annual mortgage payments are higher at $20,000. The investor plans to sell in 3 years for $580,000, with 7% selling costs.

Inputs:

  • Purchase Price: $500,000
  • Initial Out-of-Pocket Investment: $115,000
  • Annual Gross Rental Income: $48,000
  • Annual Operating Expenses: $18,000
  • Annual Mortgage Payments: $20,000
  • Expected Sale Price: $580,000
  • Selling Costs Percentage: 7%

Calculations:

  • NOI = $48,000 – $18,000 = $30,000
  • Annual Cash Flow = $30,000 – $20,000 = $10,000
  • Cap Rate = ($30,000 / $500,000) * 100% = 6.0%
  • Cash-on-Cash Return = ($10,000 / $115,000) * 100% = 8.7%
  • Net Sale Proceeds = $580,000 * (1 – 0.07) = $539,400
  • Total ROI = [($10,000 + $539,400 – $500,000 – $115,000) / $115,000] * 100% = [($34,400) / $115,000] * 100% = 29.9%

Interpretation:

This condo has a lower Cap Rate (6.0%) and Cash-on-Cash Return (8.7%) compared to the duplex, primarily due to higher operating costs and leverage. However, the strong projected appreciation and a shorter holding period result in a significantly higher Total ROI (29.9%). This example shows that even with lower cash flow metrics, properties with strong appreciation potential can offer substantial overall returns, although they might carry higher risk. This highlights the importance of evaluating multiple rental property return on investment metrics.

How to Use This Rental Property ROI Calculator

Our rental property return on investment calculator is designed to be user-friendly and provide immediate, actionable insights. Follow these simple steps to assess your potential investment:

  1. Gather Property Data: Before using the calculator, collect all relevant financial information for the rental property you are considering. This includes purchase price, all upfront costs, projected rental income, estimated annual operating expenses (property taxes, insurance, maintenance, vacancy, property management fees, etc.), and annual mortgage payments if applicable.
  2. Input Property Details: Enter each value accurately into the corresponding field in the calculator.
    • Purchase Price: The total amount paid to acquire the property.
    • Initial Out-of-Pocket Investment: The total cash you'll spend upfront (down payment + closing costs + initial repairs).
    • Annual Gross Rental Income: Your best estimate of total rent collected per year.
    • Annual Operating Expenses: Sum of all recurring costs to run the property annually.
    • Total Annual Mortgage Payments: If financed, the sum of P&I payments for the year.
    • Expected Sale Price: Your projection for the property's value when you plan to sell.
    • Selling Costs Percentage: Estimate of fees and costs when selling (e.g., 8%).
  3. Review Intermediate Values: Once you input the data, the calculator will instantly display key metrics like Net Operating Income (NOI), Annual Cash Flow, Capitalization Rate (Cap Rate), Cash-on-Cash Return, and Total ROI. These provide a breakdown of your investment's performance.
  4. Understand the Primary Result: The main highlighted result is typically the Cash-on-Cash Return or Total ROI, depending on the calculator's focus, representing the overall profitability relative to your investment.
  5. Analyze the Chart and Table: The dynamic chart visualizes cash flow over time, while the summary table provides a clear overview of all input data and calculated metrics.
  6. Use Results for Decision-Making: Compare the calculated ROI figures against your investment goals and market benchmarks. A higher rental property return on investment generally indicates a more profitable venture. Use these results to decide whether to proceed with the purchase, negotiate terms, or look for other opportunities. For example, if the Cash-on-Cash return is below your target (e.g., below 8-10%), you might need to negotiate a lower purchase price, increase rent, or reduce expenses.
  7. Save or Share: Use the "Copy Results" button to easily save or share your analysis.

Remember, this calculator provides estimates. Always conduct thorough due diligence, consult with real estate professionals, and consider your personal financial situation before making any investment decisions. Accurate input data is crucial for a meaningful rental property return on investment analysis.

Key Factors That Affect Rental Property ROI Results

Several factors significantly influence the rental property return on investment. Understanding these elements is crucial for accurate forecasting and successful property management.

  • Market Rents and Occupancy Rates: The potential rental income is the foundation of ROI. Higher market rents and consistent occupancy directly boost gross income and subsequently all ROI metrics. Vacancy periods, even short ones, can drastically reduce annual income and cash flow.
  • Purchase Price and Initial Investment: A lower purchase price relative to the income potential will generally yield a higher Cap Rate and ROI. Similarly, minimizing the initial out-of-pocket investment (while maintaining a healthy loan-to-value ratio) increases the Cash-on-Cash Return, as you're comparing annual profit to a smaller cash base. Use our calculator to test different scenarios.
  • Operating Expenses: Property taxes, insurance premiums, maintenance and repair costs, property management fees, and utilities all eat into profits. Unexpectedly high expenses can turn a seemingly profitable property into a money pit. Thorough due diligence on historical expenses and realistic budgeting are vital.
  • Financing Terms (Mortgage Interest Rate and Loan Amount): For leveraged investments, the interest rate and loan structure significantly impact cash flow and Cash-on-Cash Return. A lower interest rate reduces annual mortgage payments, leaving more cash flow. The loan-to-value ratio also affects the initial cash outlay and thus the Cash-on-Cash ROI.
  • Property Appreciation and Market Conditions: While not directly part of operating income, the anticipated appreciation of the property's value is a major component of Total ROI. Strong market demand, economic growth, and desirable location characteristics contribute to appreciation. Conversely, market downturns can erode equity and negatively impact total returns.
  • Holding Period and Exit Strategy: The length of time you plan to own the property affects the realization of appreciation and the total return. A shorter holding period relies more heavily on initial cash flow and rapid appreciation, while a longer period allows for more equity buildup through principal paydown and potentially more significant appreciation over time. The planned exit strategy (selling, refinancing) is integral to calculating total ROI.
  • Tax Implications and Depreciation: While not directly in the basic ROI formula, tax benefits like depreciation can significantly enhance the after-tax return on investment. Investors should consult with tax professionals to understand how these benefits affect their overall profitability.

Accurately estimating these factors is key to achieving a realistic rental property return on investment.

Frequently Asked Questions (FAQ) about Rental Property ROI

What is considered a good Cash-on-Cash Return for rental properties?

A "good" Cash-on-Cash Return varies by market, risk tolerance, and investment strategy. However, many investors aim for a minimum of 8-10% annually. Higher returns (12%+) are often considered excellent, while returns below 5% may signal a less attractive investment compared to other opportunities.

How is the Cap Rate different from Cash-on-Cash Return?

The Cap Rate measures the unleveraged return based solely on the property's income and its purchase price. It's useful for comparing properties regardless of financing. Cash-on-Cash Return, on the other hand, measures the return on the actual cash you invested, taking into account leverage (mortgage). It's a more personal metric reflecting your specific investment.

Does the calculator include property management fees?

Yes, property management fees should be included in the 'Annual Operating Expenses' input. It's crucial to factor in the cost of professional management if you plan to use it, as it directly impacts your net income and cash flow.

What should I do if my calculated ROI is too low?

If the rental property return on investment is below your target, consider several strategies: try to negotiate a lower purchase price, seek a property with higher potential rental income, identify ways to reduce operating expenses, or explore financing options with lower interest rates to improve cash flow. Sometimes, the best decision is to walk away from a deal that doesn't meet your financial goals. Use the calculator to test these adjustments.

How accurate are the 'Expected Sale Price' and 'Selling Costs'?

These figures are estimates based on current market knowledge and future projections. Property appreciation is influenced by many economic factors and can be unpredictable. Selling costs are more predictable but can vary. It's wise to use conservative estimates for both to avoid overestimating your total ROI. Consider running multiple scenarios with different sale prices and holding periods.

Should I consider appreciation more than cash flow?

The ideal investment balances both strong cash flow and potential appreciation. Relying solely on appreciation is speculative and risky, as markets can decline. Properties with positive cash flow provide immediate returns and a cushion against market downturns. The weight you give to each depends on your investment strategy and risk tolerance. Our calculator helps you see both through Cash-on-Cash Return and Total ROI.

What are common pitfalls in calculating rental property ROI?

Common pitfalls include underestimating operating expenses (especially maintenance and vacancy), failing to account for all closing costs and upfront repairs in the initial investment, using overly optimistic rent estimates, ignoring the impact of property management fees, and not factoring in capital expenditures (e.g., roof replacement, major renovations). Always be thorough and conservative with your estimates.

Can I use this calculator for commercial properties?

While the core principles are similar, commercial property ROI calculations can be more complex, involving different expense structures (e.g., triple net leases), amortization schedules, and market analysis metrics. This calculator is primarily optimized for residential rental properties. For commercial real estate, a specialized calculator or consultation with a commercial real estate expert is recommended.

How does inflation affect my rental property ROI?

Inflation can impact your rental property return on investment in several ways. Ideally, rents rise with inflation, helping to maintain or increase your purchasing power and cash flow. However, operating expenses may also increase due to inflation. If your rental income doesn't keep pace with inflation and rising costs, your real return (adjusted for inflation) will decrease. Fixed-rate mortgages benefit from inflation as you repay the loan with less valuable currency over time.

Related Tools and Internal Resources

© 2023 YourCompanyName. All rights reserved. This calculator and content are for informational purposes only and do not constitute financial advice.

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(netOperatingIncome / purchasePrice) * 100 : 0; var cashOnCashReturn = (initialInvestment > 0) ? (cashFlow / initialInvestment) * 100 : 0; var sellingCostsAmount = expectedSalePrice * (sellingCostsPercentage / 100); var netSaleProceeds = expectedSalePrice – sellingCostsAmount; // Simplified Total ROI calculation focusing on cash invested vs. total profit (cash flow + net sale appreciation) // Total profit = (cash flow over holding period) + (net sale proceeds – remaining loan balance after principal payments – initial investment) // A simpler approximation for a quick view: var totalProfitFromSale = netSaleProceeds – purchasePrice; // This is a simplification; ideally subtract remaining loan balance var totalGain = cashFlow + totalProfitFromSale; // Assuming holding for 1 year for simplicity of total ROI calculation presentation here var totalROI = (initialInvestment > 0) ? (totalGain / initialInvestment) * 100 : 0; document.getElementById('primaryResult').textContent = formatPercentage(cashOnCashReturn); // Default primary focus on Cash-on-Cash document.getElementById('netOperatingIncome').textContent = formatCurrency(netOperatingIncome); document.getElementById('cashFlow').textContent = formatCurrency(cashFlow); document.getElementById('capRate').textContent = formatPercentage(capRate); document.getElementById('cashOnCashReturn').textContent = formatPercentage(cashOnCashReturn); document.getElementById('totalROI').textContent = formatPercentage(totalROI); // Displaying simplified total ROI // Update table document.getElementById('tablePurchasePrice').textContent = formatCurrency(purchasePrice); document.getElementById('tableInitialInvestment').textContent = formatCurrency(initialInvestment); document.getElementById('tableAnnualRentalIncome').textContent = formatCurrency(annualRentalIncome); document.getElementById('tableAnnualOperatingExpenses').textContent = formatCurrency(annualOperatingExpenses); document.getElementById('tableAnnualMortgagePayment').textContent = formatCurrency(annualMortgagePayment); document.getElementById('tableNOI').textContent = formatCurrency(netOperatingIncome); document.getElementById('tableCashFlow').textContent = formatCurrency(cashFlow); document.getElementById('tableCapRate').textContent = formatPercentage(capRate); document.getElementById('tableCashOnCash').textContent = formatPercentage(cashOnCashReturn); document.getElementById('tableTotalROI').textContent = formatPercentage(totalROI); document.getElementById('results-output').style.display = 'block'; updateChart(cashFlow); // Update chart with current cash flow } function updateChart(currentCashFlow) { if (!chartCtx) { chartCtx = document.getElementById('roiChart').getContext('2d'); } var years = []; var projectedCashFlows = []; var averageCashFlow = currentCashFlow; // Simplified: Assume current cash flow is consistent for chart projection for (var i = 1; i <= 10; i++) { years.push('Year ' + i); projectedCashFlows.push(averageCashFlow); } var datasetLabel = 'Annual Cash Flow'; var chartData = { labels: years, datasets: [{ label: datasetLabel, data: projectedCashFlows, borderColor: '#004a99', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: true, tension: 0.1 }] }; if (roiChart) { roiChart.destroy(); } roiChart = new Chart(chartCtx, { type: 'line', data: chartData, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return formatCurrency(value); } } } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || ''; if (label) { label += ': '; } if (context.parsed.y !== null) { label += formatCurrency(context.parsed.y); } return label; } } } } } }); } function resetForm() { document.getElementById('purchasePrice').value = '300000'; document.getElementById('initialInvestment').value = '70000'; document.getElementById('annualRentalIncome').value = '36000'; document.getElementById('annualOperatingExpenses').value = '12000'; document.getElementById('annualMortgagePayment').value = '14400'; document.getElementById('expectedSalePrice').value = '380000'; document.getElementById('sellingCostsPercentage').value = '8'; clearErrors(); document.getElementById('results-output').style.display = 'none'; if (roiChart) { roiChart.destroy(); roiChart = null; } // Clear table data document.getElementById('tablePurchasePrice').textContent = '–'; document.getElementById('tableInitialInvestment').textContent = '–'; document.getElementById('tableAnnualRentalIncome').textContent = '–'; document.getElementById('tableAnnualOperatingExpenses').textContent = '–'; document.getElementById('tableAnnualMortgagePayment').textContent = '–'; document.getElementById('tableNOI').textContent = '–'; document.getElementById('tableCashFlow').textContent = '–'; document.getElementById('tableCapRate').textContent = '–%'; document.getElementById('tableCashOnCash').textContent = '–%'; document.getElementById('tableTotalROI').textContent = '–%'; } function copyResults() { var primaryResult = document.getElementById('primaryResult').textContent; var noi = document.getElementById('netOperatingIncome').textContent; var cashFlow = document.getElementById('cashFlow').textContent; var capRate = document.getElementById('capRate').textContent; var cashOnCash = document.getElementById('cashOnCashReturn').textContent; var totalROI = document.getElementById('totalROI').textContent; var purchasePrice = document.getElementById('purchasePrice').value; var initialInvestment = document.getElementById('initialInvestment').value; var annualRentalIncome = document.getElementById('annualRentalIncome').value; var annualOperatingExpenses = document.getElementById('annualOperatingExpenses').value; var annualMortgagePayment = document.getElementById('annualMortgagePayment').value; var expectedSalePrice = document.getElementById('expectedSalePrice').value; var sellingCostsPercentage = document.getElementById('sellingCostsPercentage').value; var resultsText = "— Rental Property ROI Results —\n\n"; resultsText += "Primary Result (Cash-on-Cash Return): " + primaryResult + "\n"; resultsText += "Net Operating Income (NOI): " + noi + "\n"; resultsText += "Annual Cash Flow: " + cashFlow + "\n"; resultsText += "Capitalization Rate (Cap Rate): " + capRate + "\n"; resultsText += "Cash-on-Cash Return: " + cashOnCash + "\n"; resultsText += "Total ROI (Estimated): " + totalROI + "\n\n"; resultsText += "— Key Assumptions —\n"; resultsText += "Purchase Price: " + formatCurrency(parseFloat(purchasePrice)) + "\n"; resultsText += "Initial Out-of-Pocket Investment: " + formatCurrency(parseFloat(initialInvestment)) + "\n"; resultsText += "Annual Gross Rental Income: " + formatCurrency(parseFloat(annualRentalIncome)) + "\n"; resultsText += "Annual Operating Expenses: " + formatCurrency(parseFloat(annualOperatingExpenses)) + "\n"; resultsText += "Annual Mortgage Payments: " + formatCurrency(parseFloat(annualMortgagePayment)) + "\n"; resultsText += "Expected Sale Price: " + formatCurrency(parseFloat(expectedSalePrice)) + "\n"; resultsText += "Selling Costs Percentage: " + sellingCostsPercentage + "%\n"; try { navigator.clipboard.writeText(resultsText).then(function() { alert('Results copied to clipboard!'); }, function(err) { console.error('Could not copy text: ', err); prompt("Copy these results manually:", resultsText); }); } catch (e) { prompt("Copy these results manually:", resultsText); } } function toggleFaq(element) { var content = element.nextElementSibling; if (content.style.display === "block") { content.style.display = "none"; } else { content.style.display = "block"; } } // Initialize default values on load window.onload = function() { resetForm(); // Call resetForm to set defaults and clear any existing inputs // Ensure chart canvas is accessible for updateChart chartCtx = document.getElementById('roiChart').getContext('2d'); };

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