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The true cost of owning this home

Most calculators stop at principal and interest. This one shows the required lender payment, the true monthly carrying cost, cash to close, equity built, and how costs grow over time — with every assumption sourced and editable.

  • Deterministic math, no AI
  • Every default sourced & editable
  • Full results, no email required

Property & loan

Just the loan basics. Every other assumption is prefilled with a researched default you can review and adjust on the next step.

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$80,000 down · $320,000 financed

Published Benchmark
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Prefilled from the Freddie Mac PMMS 30-yr average (6.55%, as of 2026-07-16). Reference only — confirm your rate with a lender.

Used only to note local tax/insurance refinement is a future enhancement.

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Common questions

What is the true cost of owning a home vs. the mortgage payment?
The required lender payment covers principal, interest, property taxes, homeowners insurance, and PMI (PITI), plus any HOA. The true carrying cost adds a maintenance reserve and optional utilities — the full monthly cost of owning, which is higher than the mortgage payment alone.
How much cash do I need to close on a house?
Cash to close is your down payment plus closing costs (a planning default of about 3% of the purchase price) plus any points or prepaids, minus lender credits. Your lender Loan Estimate controls the actual figure.
Is this mortgage calculator free?
Yes. The full results, cost breakdown, multi-year cost, equity, sensitivity, and methodology are available with no account and no email required.
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