Rent vs. Buy: How to Compare the Financial Trade-Offs

Renting and buying are not decided by one slogan. The financial comparison depends on how long you expect to stay, the purchase price, mortgage terms, rent, taxes, insurance, maintenance, transaction costs, home-price changes, and what you could do with cash that is not tied up in a home.

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Use the same time horizon and realistic assumptions for both renting and buying.

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Costs on the buying side

Costs on the renting side

Time horizon matters

Buying usually has larger transaction costs at the beginning and end of the ownership period. If you expect to move soon, there may be less time for home equity growth or avoided rent to offset those costs. A longer holding period can change the comparison, but appreciation and future selling costs remain uncertain.

Do not count every mortgage dollar as equity

Part of an amortizing mortgage payment reduces principal; the rest can include interest, taxes, insurance, mortgage insurance, and escrow. Early in a typical fixed-rate mortgage, a larger share of the principal-and-interest payment generally goes to interest than later in the term.

Home appreciation is an assumption, not a guarantee

A rent-vs-buy model should let you change appreciation rather than hard-code a favorable outcome. The same applies to rent growth, maintenance, selling costs, and investment returns.

Bottom line

Use a scenario model rather than asking whether renting or buying is always better. The useful result is the break-even pattern under your assumptions and how sensitive it is to time horizon, housing costs, and future price changes.

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