How this calculator works
It runs a 30-year projection for two paths and compares the average monthly cost of each year by year.
- Buying - Mortgage, property tax, insurance, HOA, and maintenance. Subtract the equity you would receive after selling costs and paying off the loan.
- Renting - Rent that increases each year, minus the investment return on the down payment and closing costs you did not spend.
- Break-even - The first year where the buying line falls below renting. Stay longer and owning wins.
The comparison cards show the average monthly cost at 5, 10, and 30 years, so you can judge the result against how long you actually expect to stay.
What moves the break-even point
- Home appreciation - The biggest lever. Strong appreciation builds equity faster and pulls break-even earlier. Be conservative.
- Rent increases - Fast-rising rents make a fixed mortgage more attractive over time.
- Closing costs - Buying and selling can cost 10% combined. That is why short stays rarely work.
- Investment returns - Higher expected returns on the down payment make renting more competitive.
- Interest rate - Higher rates raise the cost of buying. A one-point move can shift break-even by years.
Beyond the numbers
Owning brings stability, control over the space, and roots in a community. Renting brings mobility, no maintenance calls, and the freedom to move for a job or a relationship. If the financial result is close, let your plans decide.
Planning to stay a decade? Buying is probably right even when the math is tight. Expect to relocate in two years? Renting preserves options that no spreadsheet can price.
Frequently asked questions
How does this calculator decide if I should rent or buy?
It projects the average monthly cost of each path for up to 30 years. Buying includes the mortgage, taxes, insurance, HOA, maintenance, and upfront costs, minus the equity you would walk away with after selling. Renting includes rising rent, minus the investment return on the cash you did not tie up in the home.
What is a break-even year?
It is the first year when buying costs less per month than renting. Stay past that point and owning comes out ahead; move before it and renting wins. Short stays rarely justify the closing costs on both ends.
How much should I assume for appreciation?
Long-run national appreciation has averaged near 3% to 4% a year, but local markets vary widely. Test a lower number, such as 2%, to see how sensitive the result is. Optimistic assumptions make buying look better than it may turn out.
Should I include maintenance and repairs?
Yes. A common rule is 1% of the home value per year, more for older properties. Renters avoid this cost, which is why ownership comparisons that leave it out overstate the benefit of buying.
Does the tax deduction on mortgage interest matter?
It can, but only if you itemize and your total deductions exceed the standard deduction. This model leaves taxes out to keep the comparison conservative. Ask a tax professional how your situation would change.
Is renting always a waste of money?
No. Rent buys flexibility, predictable costs, and the ability to invest elsewhere. For short stays, uncertain job situations, or expensive markets, renting can be the stronger financial choice even after decades of homeownership messaging.
Directional estimate only. Returns and appreciation are assumptions, not forecasts, and the model excludes tax effects and local market quirks. Talk to a financial advisor before a large decision.
