Rent vs Buy Calculator

Year-by-Year Comparison

The real comparison between renting and buying is not simply your monthly rent versus a mortgage payment. It is the full economic picture that includes opportunity cost of your down payment, home price appreciation, investment returns on savings, property taxes, maintenance costs, insurance, transaction costs, and the time value of money. A renter who invests wisely can build substantial wealth, while a buyer who stretches too far may end up house-poor despite building equity. The best rent-vs-buy calculators model both sides completely, which is exactly what this tool does. We track every dollar on both sides of the equation over the full period you plan to stay, then compare net worth positions at the end.

Buying tends to win when you stay long enough to offset the substantial transaction costs of purchasing and selling a home. Those costs, typically 3% when buying and 6% when selling, mean you need several years of appreciation and equity building just to break even versus what you spent to get in and out. In most markets, the breakeven point falls between 5 and 7 years. Buying also wins in markets with strong appreciation, when rents are high relative to purchase prices (low price-to-rent ratio), and when mortgage rates are relatively low. The leverage effect of a mortgage amplifies appreciation: if your home appreciates 3% and you put 10% down, your return on equity is effectively 30% in year one.

Renting wins more often than most people expect. If you plan to stay fewer than 3 years, renting almost always comes out ahead because you avoid the heavy transaction costs of buying and selling. Renting also wins in markets with high price-to-rent ratios, which are common in expensive coastal cities where homes cost 25 to 35 times annual rent. The flexibility of renting has real economic value too: you can relocate for a better job, downsize quickly, or move to a lower-cost area without the friction and expense of selling a home. And when stock market returns outpace local home appreciation (which has been common historically), the renter who invests their savings builds more wealth.

Most rent-vs-buy calculators miss several hidden costs that significantly impact the result. Maintenance runs 1% to 2% of your home value every year and is unavoidable: roofs need replacing, HVAC systems break, and plumbing fails. Transaction costs can total 8% to 10% of the home value when you add up buyer closing costs, seller agent commissions, transfer taxes, and other fees. Private mortgage insurance (PMI) adds 0.5% to 1% of the loan amount annually if you put less than 20% down. The opportunity cost of a down payment is enormous: $35,000 invested in an index fund at 7% annual returns grows to over $67,000 in 10 years. HOA fees, special assessments, and property tax increases are additional costs that renters never face.

Two quick heuristics can help you make a preliminary decision before running the full numbers. The first is the price-to-rent ratio: divide the home purchase price by the annual rent for a comparable property. If the ratio is below 15, buying is likely favorable. Between 15 and 20, the decision depends on your specific circumstances and how long you plan to stay. Above 20, renting is probably the better financial choice. The second is the 5-year rule: if you are confident you will stay at least 5 years, buying deserves serious consideration. If there is any chance you will move within 3 years, renting is almost certainly better. These rules have exceptions, but they provide a reliable starting framework for the rent-vs-buy decision. Ultimately, the answer depends on your local market, your financial situation, and your personal preferences for stability versus flexibility.