The rent-versus-buy decision is not about emotions or American mythology — it is a net-present-value calculation. We total every dollar you would spend buying (down payment, mortgage payments, property tax, insurance, maintenance, closing costs) and subtract the equity you recover at sale. Then we total every dollar you would spend renting (rent, renter's insurance) and add the opportunity cost of not investing your down payment.
The hidden costs most calculators ignore
Real estate agents love to quote "mortgage payment vs rent" because it almost always favors buying. But the true cost of ownership includes: closing costs (2-5% of price at purchase and again at sale), property tax (1-2%/year), insurance, maintenance (1-2%/year — a new roof is $15,000), HOA fees, and the opportunity cost of your down payment (what it would earn invested in index funds).
When buying usually wins
Buying makes sense when: (1) you will stay 10+ years, (2) mortgage rates are below 5%, (3) home prices are appreciating, (4) rents in your area are high relative to home prices (low price-to-rent ratio), and (5) you itemize deductions and benefit from the mortgage interest deduction. In 2026 with 7% rates, condition #2 is often not met.
The non-financial factors
Homeownership provides stability, freedom to renovate, and protection from rent hikes and evictions. Renting provides mobility, flexibility, and freedom from maintenance headaches. The calculator can only price the dollars — it cannot price the lifestyle. Use it as one input, not the whole decision.