Lease vs. Buy Property Decision Analyzer

General Information

Buying Scenario Details

Property & Purchase:

Mortgage Details (If financing):

Annual Ownership Costs:

Future Projections:

Leasing Scenario Details

Opportunity Cost:

This rate is applied to the sum of what your down payment and buyer closing costs would have been if you had bought.

Lease vs. Buy Comparison Summary

Understanding the Comparison:
  • Upfront Costs: Initial cash needed for buying (down payment + closing costs) vs. leasing (one-time fees).
  • Total Housing Payments: Sum of all mortgage payments (P&I), taxes, insurance, maintenance, HOA for buying vs. total rent and renter's insurance for leasing, over the comparison period.
  • Property Equity (Buying): Estimated property value minus remaining loan balance at the end of the period.
  • Investment Growth (Leasing): Estimated future value of the funds you *didn't* spend on buying (down payment & buyer closing costs), had you invested them instead.
  • Net Worth Change: This is a key metric.
    • For Buying: (Final Property Value - Remaining Loan - Selling Costs) - (Total cash spent on non-equity building items like interest, taxes, insurance, maintenance, HOA, and upfront closing costs). It represents the net financial benefit or cost considering equity gain and all expenses.
    • For Leasing: (Growth from Investing the 'Saved' Upfront Buying Money) - (Total Rent Paid + Other Non-refundable Leasing Costs).
    A more positive "Net Worth Change" is generally better.
Disclaimer: This analysis is based on your inputs and estimates, which can be uncertain (e.g., appreciation rates, investment returns). Real estate and investment markets are volatile. This tool does not include all potential tax implications (which vary greatly by location and individual circumstances) or non-financial factors (lifestyle, flexibility, etc.). It is for informational purposes only and does NOT constitute financial or investment advice. Always consult with qualified financial, real estate, and tax professionals before making a decision.

Est. Selling Costs: ${lb_formatPercentage(inputs.buy.sellingCostsPercent)} of sale price

`; inputsHtml += `
Leasing Scenario Inputs:

Initial Monthly Rent: ${lb_formatCurrency(inputs.lease.monthlyRent)}

Annual Rent Escalation: ${lb_formatPercentage(inputs.lease.rentEscalationRate)}

Renter's Insurance: ${lb_formatCurrency(inputs.lease.rentersInsuranceAnnual)} / year

One-time Leasing Costs: ${lb_formatCurrency(inputs.lease.oneTimeLeaseCosts)}

Return on Invested Upfront Buying Costs: ${lb_formatPercentage(inputs.lease.investmentReturnRate)} p.a.

`; const comparisonTableHtml = `MetricBuying ScenarioLeasing Scenario Total Upfront Cash Outlay${lb_formatCurrency(buyRes.upfrontCash)}${lb_formatCurrency(inputs.lease.oneTimeLeaseCosts)} Avg. Monthly Housing Cost (Est.)${lb_formatCurrency(buyRes.avgMonthlyCost)}${lb_formatCurrency(leaseRes.avgMonthlyCost)} Proj. Property Equity (End)${lb_formatCurrency(buyRes.equityAtEnd)}N/A Proj. Value of Invested Funds (Leasing)N/A${lb_formatCurrency(leaseRes.futureValueOfInvestedFunds)} Est. Change in Net Worth ${lb_formatCurrency(buyRes.netWorthChange)} ${lb_formatCurrency(leaseRes.netWorthChange)} `; let conclusionTextPdf = "Based on inputs: "; if (Math.abs(buyRes.netWorthChange - leaseRes.netWorthChange) < 100) conclusionTextPdf += `Both scenarios result in a similar estimated change in net worth.`; else if (buyRes.netWorthChange > leaseRes.netWorthChange) conclusionTextPdf += `Buying appears to lead to a better estimated net worth change by approx. ${lb_formatCurrency(buyRes.netWorthChange - leaseRes.netWorthChange)}.`; else conclusionTextPdf += `Leasing appears to lead to a better estimated net worth change by approx. ${lb_formatCurrency(leaseRes.netWorthChange - buyRes.netWorthChange)}.`; const interpretationNote_pdf = `This analysis compares estimated financial outcomes. It excludes tax implications and non-financial factors. Estimates are highly dependent on your inputs (e.g., appreciation, investment returns).`; pdfContentEl.innerHTML = `
Lease vs. Buy Property Decision Analysis
I. Input Parameters
${inputsHtml}
II. Comparison Summary (Over ${inputs.comparisonPeriodYears} Years)
${comparisonTableHtml}
${conclusionTextPdf}
Important Notes: ${interpretationNote_pdf}
`; document.body.appendChild(pdfContentEl); html2canvas(pdfContentEl, { scale: 2, useCORS: true, logging:true, windowWidth: pdfContentEl.scrollWidth, windowHeight: pdfContentEl.scrollHeight }).then(canvas => { const imgData = canvas.toDataURL('image/png'); const pdfWidth = pdf.internal.pageSize.getWidth(); const pdfHeight = pdf.internal.pageSize.getHeight(); const imgProps = pdf.getImageProperties(imgData); let numPages = Math.ceil(imgProps.height / ( (pdfHeight - 40) * (imgProps.width / (pdfWidth - 40)) ) ); let pageCanvasHeight = (pdfHeight - 40) * (imgProps.width / (pdfWidth - 40)); for (let i = 0; i < numPages; i++) { if (i > 0) pdf.addPage(); let sourceY = i * pageCanvasHeight; let sourceHeight = Math.min(pageCanvasHeight, imgProps.height - sourceY); const tempCanvas = document.createElement('canvas'); tempCanvas.width = imgProps.width; tempCanvas.height = sourceHeight; const ctx = tempCanvas.getContext('2d'); ctx.drawImage(canvas, 0, sourceY, imgProps.width, sourceHeight, 0, 0, imgProps.width, sourceHeight); const pageImgData = tempCanvas.toDataURL('image/png'); const pageImgHeight = (sourceHeight * (pdfWidth - 40)) / imgProps.width; pdf.addImage(pageImgData, 'PNG', 20, 20, pdfWidth - 40, pageImgHeight, undefined, 'FAST'); } pdf.save('Lease_vs_Buy_Analysis.pdf'); if(document.body.contains(pdfContentEl)) document.body.removeChild(pdfContentEl); }).catch(err => { console.error("Lease vs Buy PDF Error:", err); alert("Error generating PDF. See console."); if(document.body.contains(pdfContentEl)) document.body.removeChild(pdfContentEl); }); } document.addEventListener('DOMContentLoaded', function() { lb_openTab({}, 'lb_tab_common'); // Default some values for easier testing / usability const propPriceEl = document.getElementById('lb_buy_propertyPrice'); if (propPriceEl && !propPriceEl.value) propPriceEl.value = '300000'; const dpValueEl = document.getElementById('lb_buy_downPaymentValue'); if (dpValueEl && !dpValueEl.value) dpValueEl.value = '20'; // Assuming % type is default const ccValueEl = document.getElementById('lb_buy_closingCostsValue'); if (ccValueEl && !ccValueEl.value) ccValueEl.value = '3'; // Assuming % type is default const mortgageRateEl = document.getElementById('lb_buy_mortgageRate'); if (mortgageRateEl && !mortgageRateEl.value) mortgageRateEl.value = '6'; const loanTermEl = document.getElementById('lb_buy_loanTermYears'); if (loanTermEl && !loanTermEl.value) loanTermEl.value = '30'; const monthlyRentEl = document.getElementById('lb_lease_monthlyRent'); if (monthlyRentEl && !monthlyRentEl.value) monthlyRentEl.value = '1800'; const invReturnEl = document.getElementById('lb_lease_investmentReturnRate'); if (invReturnEl && !invReturnEl.value) invReturnEl.value = '5'; if (!document.getElementById('lb_comparisonPeriodYears')) { console.error("Critical input 'lb_comparisonPeriodYears' not found."); } });
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