Bigger Pockets Rental Calculator

Rental Property Analysis

Enter the details of your potential rental property to estimate its profitability. This calculator helps you understand key metrics like cash flow, cap rate, and cash-on-cash return.

Detailed Financial Breakdown

Metric	Value
Purchase Price	$0.00
Down Payment	$0.00
Loan Amount	$0.00
Loan Term	0 Years
Gross Monthly Rent	$0.00
Vacancy Loss (Monthly)	$0.00
Net Operating Income (Monthly)	$0.00
Monthly Debt Service	$0.00
Monthly Cash Flow	$0.00
Annualized Cash Flow	$0.00
Total Initial Investment	$0.00
Capitalization Rate (Cap Rate)	0.00%
Cash-on-Cash Return	0.00%

What is a Rental Property Calculator?

A rental property calculator, often referred to in the context of resources like Bigger Pockets, is a crucial financial tool designed for real estate investors. Its primary purpose is to help analyze the potential profitability of a residential or commercial property intended for rental income. By inputting various financial details about a property, including purchase price, financing terms, rental income, and operating expenses, the calculator provides key metrics that indicate the investment's viability. These metrics help investors make informed decisions, compare different investment opportunities, and forecast potential returns. The Bigger Pockets rental calculator specifically aims to simplify this complex analysis, making it accessible even for newer investors.

Rental Property Calculator Formula and Mathematical Explanation

The core of any robust rental property calculator revolves around calculating the property's cash flow and return on investment. Here's a breakdown of the key formulas:

1. Loan Amount:

Loan Amount = Purchase Price - (Purchase Price * Down Payment Percentage / 100)

This determines how much capital needs to be financed.

2. Monthly Debt Service (Mortgage Payment):

This is calculated using the standard mortgage payment formula (Amortization Formula):

M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1]

Where:

M = Monthly Payment

P = Principal Loan Amount (Loan Amount)

i = Monthly Interest Rate (Annual Interest Rate / 12 / 100)

n = Total Number of Payments (Loan Term in Years * 12)

This represents the fixed cost of the loan each month.

3. Gross Monthly Rent:

This is the total rent collected from tenants before any deductions.

4. Vacancy Loss (Monthly):

Vacancy Loss = Gross Monthly Rent * (Vacancy Rate / 100)

This accounts for periods when the property is not rented.

5. Net Operating Income (NOI) - Monthly:

NOI = (Gross Monthly Rent - Vacancy Loss) - (Total Monthly Operating Expenses)

Operating expenses include property taxes, insurance, HOA fees, repairs, maintenance, property management, and other recurring costs, all converted to monthly figures.

Total Monthly Operating Expenses = (Annual Property Taxes / 12) + (Annual Insurance / 12) + (Monthly HOA Fees) + (Gross Monthly Rent * Repairs & Maintenance % / 100) + (Gross Monthly Rent * Property Management % / 100) + (Other Annual Expenses / 12)

6. Monthly Cash Flow:

Monthly Cash Flow = NOI - Monthly Debt Service

This is the actual profit generated by the property each month after all expenses and loan payments.

7. Annualized Cash Flow:

Annualized Cash Flow = Monthly Cash Flow * 12

8. Total Initial Investment:

Total Initial Investment = Down Payment + Initial Repair/Renovation Costs

This represents the total cash outlay required to acquire and prepare the property for rent.

9. Capitalization Rate (Cap Rate):

Cap Rate = (Annualized Net Operating Income / Purchase Price) * 100

Annualized NOI = (Gross Monthly Rent * 12 - Vacancy Loss Annual - Total Annual Operating Expenses)

Cap Rate measures the unleveraged rate of return on the property. It's useful for comparing properties without considering financing.

10. Cash-on-Cash Return (CoC):

Cash-on-Cash Return = (Annualized Cash Flow / Total Initial Investment) * 100

This metric shows the return on the actual cash invested, making it a vital measure for investors focused on immediate cash returns.

Practical Examples (Real-World Use Cases)

Let's analyze a hypothetical rental property using the Bigger Pockets rental calculator logic:

Scenario 1: The Promising Starter Home

• Purchase Price: $200,000
• Down Payment: 20% ($40,000)
• Loan Amount: $160,000
• Loan Interest Rate: 4.0%
• Loan Term: 30 years
• Monthly Rent: $1,400
• Vacancy Rate: 5%
• Annual Property Taxes: $2,400 ($200/month)
• Annual Insurance: $900 ($75/month)
• Monthly HOA Fees: $0
• Repairs & Maintenance: 8% of Rent
• Property Management: 10% of Rent
• Other Annual Expenses: $300
• Initial Repair Costs: $3,000

Calculations:

• Monthly Debt Service: ~$764
• Gross Monthly Rent: $1,400
• Vacancy Loss (Monthly): $70
• Monthly Operating Expenses: ($200 + $75 + $0 + $112 (R&M) + $140 (PM) + $25 (Other)) = $552
• NOI (Monthly): ($1400 - $70) - $552 = $778
• Monthly Cash Flow: $778 - $764 = $14
• Annualized Cash Flow: $168
• Total Initial Investment: $40,000 + $3,000 = $43,000
• Cap Rate: (($1400*12 - $70*12 - $552*12) / $200000) * 100 = (16800 - 840 - 6624) / 200000 * 100 = 9336 / 200000 * 100 = 4.67%
• Cash-on-Cash Return: ($168 / $43,000) * 100 = 0.39%

Analysis: This property shows a very low cash flow and CoC return, primarily due to the high purchase price relative to rent and the leverage used. While the Cap Rate is decent, the cash flow is minimal, indicating it might not be an ideal cash-flowing investment without further optimization or a lower purchase price.

Scenario 2: The Value-Add Duplex

• Purchase Price: $350,000
• Down Payment: 25% ($87,500)
• Loan Amount: $262,500
• Loan Interest Rate: 4.2%
• Loan Term: 30 years
• Monthly Rent (Total): $2,500
• Vacancy Rate: 7%
• Annual Property Taxes: $4,200 ($350/month)
• Annual Insurance: $1,500 ($125/month)
• Monthly HOA Fees: $0
• Repairs & Maintenance: 10% of Rent
• Property Management: 8% of Rent
• Other Annual Expenses: $600
• Initial Repair Costs: $15,000

Calculations:

• Monthly Debt Service: ~$1,280
• Gross Monthly Rent: $2,500
• Vacancy Loss (Monthly): $175
• Monthly Operating Expenses: ($350 + $125 + $0 + $250 (R&M) + $200 (PM) + $50 (Other)) = $975
• NOI (Monthly): ($2500 - $175) - $975 = $1,350
• Monthly Cash Flow: $1,350 - $1,280 = $70
• Annualized Cash Flow: $840
• Total Initial Investment: $87,500 + $15,000 = $102,500
• Cap Rate: (($2500*12 - $175*12 - $975*12) / $350000) * 100 = (30000 - 2100 - 11700) / 350000 * 100 = 16200 / 350000 * 100 = 4.63%
• Cash-on-Cash Return: ($840 / $102,500) * 100 = 0.82%

Analysis: Similar to the first scenario, this duplex offers low immediate cash flow. The value-add potential (implied by initial repairs) and potential for rent increases over time would be key drivers for this investment, rather than immediate high returns. Investors might use this data to negotiate a better price or plan for future rent increases.

How to Use This Bigger Pockets Rental Calculator

Using this Bigger Pockets rental calculator is straightforward. Follow these steps:

1. Enter Property Details: Input the 'Purchase Price' of the property.
2. Financing Information: Specify your 'Down Payment Percentage'. The 'Loan Amount' will calculate automatically. Enter the 'Loan Interest Rate' and 'Loan Term (Years)' for your mortgage.
3. Income: Input the expected 'Monthly Rental Income'.
4. Operating Expenses:
   • Adjust the 'Vacancy Rate' based on your market knowledge.
   • Enter 'Annual Property Taxes' and 'Annual Insurance'.
   • Input any 'Monthly HOA Fees'.
   • Set percentages for 'Repairs & Maintenance' and 'Property Management' based on typical costs.
   • Add any 'Other Annual Expenses'.
5. Initial Costs: Enter the 'Initial Repair/Renovation Costs' needed before renting.
6. Calculate: Click the 'Calculate Returns' button.
7. Review Results: Examine the 'Monthly Cash Flow', 'Annualized Cash Flow', 'Cap Rate', and 'Cash-on-Cash Return'. The detailed table and chart provide further insights.
8. Reset: Use the 'Reset' button to clear all fields and start over.
9. Copy: Use the 'Copy Results' button to save or share your analysis.

Remember, this Bigger Pockets rental calculator provides estimates. Always conduct thorough due diligence and consult with professionals for precise financial advice.

Key Factors That Affect Bigger Pockets Rental Calculator Results

Several critical factors significantly influence the output of a Bigger Pockets rental calculator and the actual performance of a rental property:

• Market Rent Rates: The accuracy of your 'Monthly Rental Income' input is paramount. Overestimating rent can lead to inflated profit projections. Research comparable properties thoroughly.
• Vacancy Rates: Higher-than-expected vacancy directly reduces income. Local market conditions, property appeal, and tenant screening efficiency play a role.
• Operating Expenses: Underestimating expenses like property taxes, insurance, repairs, and maintenance is a common pitfall. Unexpected repairs can drastically impact cash flow.
• Financing Terms: The interest rate and loan term on your mortgage heavily influence the 'Monthly Debt Service'. A lower interest rate or shorter term can improve cash flow but may increase the initial investment.
• Purchase Price: A lower purchase price generally leads to better Cap Rates and Cash-on-Cash returns, assuming income and expenses remain constant. Negotiating power is key.
• Property Condition and Age: Older properties or those in poor condition often require higher initial repairs and ongoing maintenance, impacting profitability.
• Location: Neighborhood desirability affects rent rates, vacancy rates, and property appreciation potential. Proximity to amenities and job centers is crucial.
• Economic Conditions: Local and national economic trends, interest rate fluctuations, and employment rates can impact rental demand and tenant ability to pay.

Understanding these variables helps refine your inputs for a more realistic Bigger Pockets rental calculator analysis.

Frequently Asked Questions (FAQ)

What is the most important metric from the Bigger Pockets rental calculator?

While all metrics are important, Monthly Cash Flow is often considered the most critical for buy-and-hold investors focused on passive income. It represents the actual money left in your pocket each month after all expenses. Cash-on-Cash Return is also vital as it measures the return on your invested capital.

How accurate are rental property calculators?

Rental property calculators provide estimates based on the data you input. Their accuracy depends entirely on the quality and realism of your inputs. They are excellent tools for initial screening and comparison but should be supplemented with detailed market research and professional advice for final decisions.

What is a good Cap Rate for a rental property?

A "good" Cap Rate varies significantly by market and property type. Generally, investors look for Cap Rates between 4% and 10%. Higher Cap Rates often indicate higher potential returns but may also come with higher risk or require more intensive management. Markets with higher property values relative to income tend to have lower Cap Rates.

What is a good Cash-on-Cash Return?

A common benchmark for a good Cash-on-Cash Return is 8% or higher, though many investors aim for 10%+. This metric is highly dependent on your financing structure. A higher CoC return means you're earning more on the actual cash you've put into the deal.

Should I include initial repair costs in the calculator?

Yes, absolutely. 'Initial Repair Costs' are a crucial part of your 'Total Initial Investment'. Failing to account for these costs will lead to an inaccurate calculation of your Cash-on-Cash Return and overall profitability.

Related Tools and Internal Resources

var purchasePriceInput = document.getElementById('purchasePrice'); var downPaymentPercentInput = document.getElementById('downPaymentPercent'); var loanAmountInput = document.getElementById('loanAmount'); var loanInterestRateInput = document.getElementById('loanInterestRate'); var loanTermYearsInput = document.getElementById('loanTermYears'); var monthlyRentInput = document.getElementById('monthlyRent'); var vacancyRateInput = document.getElementById('vacancyRate'); var propertyTaxesAnnualInput = document.getElementById('propertyTaxesAnnual'); var insuranceAnnualInput = document.getElementById('insuranceAnnual'); var hoaFeesMonthlyInput = document.getElementById('hoaFeesMonthly'); var repairsMaintenancePercentInput = document.getElementById('repairsMaintenancePercent'); var propertyManagementPercentInput = document.getElementById('propertyManagementPercent'); var otherExpensesAnnualInput = document.getElementById('otherExpensesAnnual'); var initialRepairCostsInput = document.getElementById('initialRepairCosts'); var cashFlowPerMonthOutput = document.getElementById('cashFlowPerMonth'); var grossMonthlyRentOutput = document.getElementById('grossMonthlyRent'); var monthlyDebtServiceOutput = document.getElementById('monthlyDebtService'); var annualizedCashFlowOutput = document.getElementById('annualizedCashFlow'); var capRateOutput = document.getElementById('capRate'); var cashOnCashReturnOutput = document.getElementById('cashOnCashReturn'); var tablePurchasePrice = document.getElementById('tablePurchasePrice'); var tableDownPayment = document.getElementById('tableDownPayment'); var tableLoanAmount = document.getElementById('tableLoanAmount'); var tableLoanTerm = document.getElementById('tableLoanTerm'); var tableGrossMonthlyRent = document.getElementById('tableGrossMonthlyRent'); var tableVacancyLoss = document.getElementById('tableVacancyLoss'); var tableNOI = document.getElementById('tableNOI'); var tableMonthlyDebtService = document.getElementById('tableMonthlyDebtService'); var tableMonthlyCashFlow = document.getElementById('tableMonthlyCashFlow'); var tableAnnualizedCashFlow = document.getElementById('tableAnnualizedCashFlow'); var tableTotalInitialInvestment = document.getElementById('tableTotalInitialInvestment'); var tableCapRate = document.getElementById('tableCapRate'); var tableCashOnCashReturn = document.getElementById('tableCashOnCashReturn'); var chart; var chartContext; function formatCurrency(amount) { return "$" + amount.toFixed(2).replace(/\d(?=(\d{3})+\.)/g, '$&,'); } function formatPercent(amount) { return amount.toFixed(2) + "%"; } function validateInput(inputId, errorId, minValue, maxValue) { var input = document.getElementById(inputId); var errorDiv = document.getElementById(errorId); var value = parseFloat(input.value); errorDiv.textContent = ''; // Clear previous error if (isNaN(value)) { errorDiv.textContent = 'Please enter a valid number.'; return false; } if (minValue !== undefined && value maxValue) { errorDiv.textContent = 'Value is too high.'; return false; } return true; } function calculateMortgagePayment(principal, annualRate, termYears) { var monthlyRate = (annualRate / 100) / 12; var numberOfPayments = termYears * 12; if (monthlyRate === 0) { return principal / numberOfPayments; } var payment = principal * (monthlyRate * Math.pow(1 + monthlyRate, numberOfPayments)) / (Math.pow(1 + monthlyRate, numberOfPayments) - 1); return isNaN(payment) ? 0 : payment; } function calculateRentalProperty() { // Clear all previous errors document.querySelectorAll('.error-message').forEach(function(el) { el.textContent = ''; }); var isValid = true; // Validate inputs if (!validateInput('purchasePrice', 'purchasePriceError', 0)) isValid = false; if (!validateInput('downPaymentPercent', 'downPaymentPercentError', 0, 100)) isValid = false; if (!validateInput('loanInterestRate', 'loanInterestRateError', 0)) isValid = false; if (!validateInput('loanTermYears', 'loanTermYearsError', 1)) isValid = false; if (!validateInput('monthlyRent', 'monthlyRentError', 0)) isValid = false; if (!validateInput('vacancyRate', 'vacancyRateError', 0, 100)) isValid = false; if (!validateInput('propertyTaxesAnnual', 'propertyTaxesAnnualError', 0)) isValid = false; if (!validateInput('insuranceAnnual', 'insuranceAnnualError', 0)) isValid = false; if (!validateInput('hoaFeesMonthly', 'hoaFeesMonthlyError', 0)) isValid = false; if (!validateInput('repairsMaintenancePercent', 'repairsMaintenancePercentError', 0, 100)) isValid = false; if (!validateInput('propertyManagementPercent', 'propertyManagementPercentError', 0, 100)) isValid = false; if (!validateInput('otherExpensesAnnual', 'otherExpensesAnnualError', 0)) isValid = false; if (!validateInput('initialRepairCosts', 'initialRepairCostsError', 0)) isValid = false; if (!isValid) { return; } var purchasePrice = parseFloat(purchasePriceInput.value); var downPaymentPercent = parseFloat(downPaymentPercentInput.value); var loanInterestRate = parseFloat(loanInterestRateInput.value); var loanTermYears = parseFloat(loanTermYearsInput.value); var monthlyRent = parseFloat(monthlyRentInput.value); var vacancyRate = parseFloat(vacancyRateInput.value); var propertyTaxesAnnual = parseFloat(propertyTaxesAnnualInput.value); var insuranceAnnual = parseFloat(insuranceAnnualInput.value); var hoaFeesMonthly = parseFloat(hoaFeesMonthlyInput.value); var repairsMaintenancePercent = parseFloat(repairsMaintenancePercentInput.value); var propertyManagementPercent = parseFloat(propertyManagementPercentInput.value); var otherExpensesAnnual = parseFloat(otherExpensesAnnualInput.value); var initialRepairCosts = parseFloat(initialRepairCostsInput.value); var downPaymentAmount = purchasePrice * (downPaymentPercent / 100); var loanAmount = purchasePrice - downPaymentAmount; loanAmountInput.value = formatCurrency(loanAmount); var monthlyDebtService = calculateMortgagePayment(loanAmount, loanInterestRate, loanTermYears); var monthlyDebtServiceFormatted = formatCurrency(monthlyDebtService); var grossMonthlyRent = monthlyRent; var grossMonthlyRentFormatted = formatCurrency(grossMonthlyRent); var vacancyLossMonthly = grossMonthlyRent * (vacancyRate / 100); var vacancyLossMonthlyFormatted = formatCurrency(vacancyLossMonthly); var repairsMaintenanceMonthly = grossMonthlyRent * (repairsMaintenancePercent / 100); var propertyManagementMonthly = grossMonthlyRent * (propertyManagementPercent / 100); var totalMonthlyOperatingExpenses = (propertyTaxesAnnual / 12) + (insuranceAnnual / 12) + hoaFeesMonthly + repairsMaintenanceMonthly + propertyManagementMonthly + (otherExpensesAnnual / 12); var noiMonthly = (grossMonthlyRent - vacancyLossMonthly) - totalMonthlyOperatingExpenses; var noiMonthlyFormatted = formatCurrency(noiMonthly); var monthlyCashFlow = noiMonthly - monthlyDebtService; var monthlyCashFlowFormatted = formatCurrency(monthlyCashFlow); cashFlowPerMonthOutput.textContent = monthlyCashFlowFormatted; var annualizedCashFlow = monthlyCashFlow * 12; var annualizedCashFlowFormatted = formatCurrency(annualizedCashFlow); var totalInitialInvestment = downPaymentAmount + initialRepairCosts; var totalInitialInvestmentFormatted = formatCurrency(totalInitialInvestment); var annualNOI = (grossMonthlyRent * 12) - vacancyLossMonthly * 12 - (totalMonthlyOperatingExpenses * 12); var capRate = (annualNOI / purchasePrice) * 100; var capRateFormatted = formatPercent(capRate); var cashOnCashReturn = (annualizedCashFlow / totalInitialInvestment) * 100; var cashOnCashReturnFormatted = isNaN(cashOnCashReturn) ? "0.00%" : formatPercent(cashOnCashReturn); // Update intermediate results grossMonthlyRentOutput.textContent = grossMonthlyRentFormatted; monthlyDebtServiceOutput.textContent = monthlyDebtServiceFormatted; annualizedCashFlowOutput.textContent = annualizedCashFlowFormatted; capRateOutput.textContent = capRateFormatted; cashOnCashReturnOutput.textContent = cashOnCashReturnFormatted; // Update table tablePurchasePrice.textContent = formatCurrency(purchasePrice); tableDownPayment.textContent = formatCurrency(downPaymentAmount); tableLoanAmount.textContent = formatCurrency(loanAmount); tableLoanTerm.textContent = loanTermYears + " Years"; tableGrossMonthlyRent.textContent = grossMonthlyRentFormatted; tableVacancyLoss.textContent = formatCurrency(vacancyLossMonthly); tableNOI.textContent = noiMonthlyFormatted; tableMonthlyDebtService.textContent = monthlyDebtServiceFormatted; tableMonthlyCashFlow.textContent = monthlyCashFlowFormatted; tableAnnualizedCashFlow.textContent = annualizedCashFlowFormatted; tableTotalInitialInvestment.textContent = totalInitialInvestmentFormatted; tableCapRate.textContent = capRateFormatted; tableCashOnCashReturn.textContent = cashOnCashReturnFormatted; updateChart(grossMonthlyRent, vacancyLossMonthly, repairsMaintenanceMonthly, propertyManagementMonthly, totalMonthlyOperatingExpenses - repairsMaintenanceMonthly - propertyManagementMonthly, monthlyDebtService); } function resetForm() { purchasePriceInput.value = ''; downPaymentPercentInput.value = '20'; loanInterestRateInput.value = '4.5'; loanTermYearsInput.value = '30'; monthlyRentInput.value = ''; vacancyRateInput.value = '5'; propertyTaxesAnnualInput.value = ''; insuranceAnnualInput.value = ''; hoaFeesMonthlyInput.value = '0'; repairsMaintenancePercentInput.value = '8'; propertyManagementPercentInput.value = '10'; otherExpensesAnnualInput.value = '500'; initialRepairCostsInput.value = '5000'; // Clear results and errors cashFlowPerMonthOutput.textContent = '$0.00'; grossMonthlyRentOutput.textContent = '$0.00'; monthlyDebtServiceOutput.textContent = '$0.00'; annualizedCashFlowOutput.textContent = '$0.00'; capRateOutput.textContent = '0.00%'; cashOnCashReturnOutput.textContent = '0.00%'; loanAmountInput.value = ''; document.querySelectorAll('.error-message').forEach(function(el) { el.textContent = ''; }); // Reset table tablePurchasePrice.textContent = '$0.00'; tableDownPayment.textContent = '$0.00'; tableLoanAmount.textContent = '$0.00'; tableLoanTerm.textContent = '0 Years'; tableGrossMonthlyRent.textContent = '$0.00'; tableVacancyLoss.textContent = '$0.00'; tableNOI.textContent = '$0.00'; tableMonthlyDebtService.textContent = '$0.00'; tableMonthlyCashFlow.textContent = '$0.00'; tableAnnualizedCashFlow.textContent = '$0.00'; tableTotalInitialInvestment.textContent = '$0.00'; tableCapRate.textContent = '0.00%'; tableCashOnCashReturn.textContent = '0.00%'; // Reset chart if (chart) { chart.destroy(); } initializeChart(); // Re-initialize with default zero values } function copyResults() { var resultsText = "Rental Property Investment Summary:\n\n"; resultsText += "Monthly Cash Flow: " + cashFlowPerMonthOutput.textContent + "\n"; resultsText += "Gross Monthly Rent: " + grossMonthlyRentOutput.textContent + "\n"; resultsText += "Monthly Debt Service: " + monthlyDebtServiceOutput.textContent + "\n"; resultsText += "Annualized Cash Flow: " + annualizedCashFlowOutput.textContent + "\n"; resultsText += "Capitalization Rate (Cap Rate): " + capRateOutput.textContent + "\n"; resultsText += "Cash-on-Cash Return: " + cashOnCashReturnOutput.textContent + "\n\n"; resultsText += "Key Assumptions:\n"; resultsText += "Purchase Price: " + formatCurrency(parseFloat(purchasePriceInput.value || 0)) + "\n"; resultsText += "Down Payment: " + formatPercent(parseFloat(downPaymentPercentInput.value || 0)) + "\n"; resultsText += "Loan Interest Rate: " + formatPercent(parseFloat(loanInterestRateInput.value || 0)) + "\n"; resultsText += "Loan Term: " + loanTermYearsInput.value + " years\n"; resultsText += "Monthly Rent: " + formatCurrency(parseFloat(monthlyRentInput.value || 0)) + "\n"; resultsText += "Vacancy Rate: " + formatPercent(parseFloat(vacancyRateInput.value || 0)) + "\n"; resultsText += "Annual Property Taxes: " + formatCurrency(parseFloat(propertyTaxesAnnualInput.value || 0)) + "\n"; resultsText += "Annual Insurance: " + formatCurrency(parseFloat(insuranceAnnualInput.value || 0)) + "\n"; resultsText += "Monthly HOA Fees: " + formatCurrency(parseFloat(hoaFeesMonthlyInput.value || 0)) + "\n"; resultsText += "Repairs & Maintenance (%): " + formatPercent(parseFloat(repairsMaintenancePercentInput.value || 0)) + "\n"; resultsText += "Property Management (%): " + formatPercent(parseFloat(propertyManagementPercentInput.value || 0)) + "\n"; resultsText += "Other Annual Expenses: " + formatCurrency(parseFloat(otherExpensesAnnualInput.value || 0)) + "\n"; resultsText += "Initial Repair Costs: " + formatCurrency(parseFloat(initialRepairCostsInput.value || 0)) + "\n"; try { navigator.clipboard.writeText(resultsText).then(function() { alert('Results copied to clipboard!'); }).catch(function(err) { console.error('Failed to copy: ', err); alert('Failed to copy results. Please copy manually.'); }); } catch (e) { console.error('Clipboard API not available: ', e); alert('Clipboard API not available. Please copy manually.'); } } function initializeChart() { var ctx = document.getElementById('cashFlowChart').getContext('2d'); chart = new Chart(ctx, { type: 'bar', data: { labels: ['Gross Rent', 'Vacancy Loss', 'Repairs/Maint.', 'Property Mgmt', 'Other OpEx', 'Debt Service'], datasets: [{ label: 'Monthly Amounts', data: [0, 0, 0, 0, 0, 0], // Initial zero values backgroundColor: [ 'rgba(0, 74, 153, 0.6)', // Primary color 'rgba(255, 99, 132, 0.6)', // Red for loss 'rgba(255, 159, 64, 0.6)', // Orange 'rgba(75, 192, 192, 0.6)', // Green 'rgba(153, 102, 255, 0.6)', // Purple 'rgba(201, 203, 207, 0.6)' // Grey ], borderColor: [ 'rgba(0, 74, 153, 1)', 'rgba(255, 99, 132, 1)', 'rgba(255, 159, 64, 1)', 'rgba(75, 192, 192, 1)', 'rgba(153, 102, 255, 1)', 'rgba(201, 203, 207, 1)' ], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, ticks: { callback: function(value) { return formatCurrency(value); } } } }, plugins: { legend: { display: true, position: 'top', }, 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 updateChart(grossRent, vacancyLoss, repairs, pm, otherOpEx, debtService) { if (!chart) { initializeChart(); } var dataPoints = [ grossRent, vacancyLoss, repairs, pm, otherOpEx, debtService ]; chart.data.datasets[0].data = dataPoints; chart.update(); } function toggleFaq(element) { var faqItem = element.closest('.faq-item'); faqItem.classList.toggle('open'); } // Initial calculation and chart setup on page load document.addEventListener('DOMContentLoaded', function() { // Add event listeners to inputs for real-time updates var inputs = document.querySelectorAll('.input-group input[type="number"], .input-group input[type="text"], .input-group select'); inputs.forEach(function(input) { input.addEventListener('input', calculateRentalProperty); }); // Set initial values and calculate resetForm(); // Sets defaults calculateRentalProperty(); // Perform initial calculation with defaults initializeChart(); // Initialize chart with zero values });