Property Decision Desk

Rent vs Buy

Down Payment Opportunity Cost

What that down payment could have earned if it stayed invested.

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Educational estimate only. Not financial, tax, lending, or real-estate advice. Markets, taxes, and local conditions vary.

How to read this decision

Most calculators stop at the monthly payment. Down Payment Opportunity Cost focuses on which housing path leaves you wealthier. What that down payment could have earned if it stayed invested.

Everything runs in your browser — no account, no data sent anywhere — and results update as soon as you press the button.

Methodology & next steps

This tool runs entirely in your browser. Change one input at a time, compare scenarios, and export the report before you talk to an agent or lender.

  1. Start with realistic income, price, rate, and cost assumptions for your market.
  2. Use presets or Snapshot as B to stress-test a second path.
  3. Read the verdict, charts, and schedule — then verify taxes, insurance, and comps locally.
  • Copy report or Print / PDF for a shareable decision page.
  • Save scenarios on this device or copy the share link in the address bar.
  • Export CSV/JSON when you want numbers in a spreadsheet.

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About Down Payment Opportunity Cost

What does Down Payment Opportunity Cost show?

What that down payment could have earned if it stayed invested. It focuses on which housing path leaves you wealthier, so you can compare realistic paths instead of a single optimistic listing photo.

What inputs does Down Payment Opportunity Cost need?

Provide the requested prices, rates, and time horizon, then run the tool. Change a single input between runs to isolate what actually drives the outcome.

Is Down Payment Opportunity Cost free?

Yes. Down Payment Opportunity Cost is free, needs no account, and runs entirely in your browser — your inputs are never uploaded.

Is this financial or real estate advice?

No. Down Payment Opportunity Cost produces educational estimates only. Markets, taxes, lending rules, and local conditions vary, so confirm big decisions with a qualified professional.