Does a fixed mortgage payment really beat rising rent?
The principal and interest portion of a fixed-rate mortgage does not change, but taxes, insurance and HOA dues do, so the total payment drifts up over time. It generally rises more slowly than market rent.
Renting · Written by Anil Aggarwal, Realtor® | Mortgage Loan Officer · Updated August 8, 2026
That is why the buy versus rent comparison here grows rent by your assumed increase while holding your loan payment fixed and letting escrow items grow with the property.
Ownership adds maintenance, which renters generally do not pay directly.
Over a long horizon the fixed loan payment is the main reason buying can pull ahead — but only if you stay long enough to absorb transaction costs.
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