Practical guide
Understanding rent-versus-buy comparison — two-scenario comparison
Everyday editorial team · GEOINNOVATION CO., LTD · Published · Updated
What this calculation is for
A rent-versus-buy comparison begins by distinguishing recurring cash cost from wealth accumulation. Mortgage principal builds equity, whereas interest, tax and insurance are costs, so equal monthly outlays do not imply equal long-term outcomes.
How the method works
The recurring ownership amount combines mortgage principal and interest with entered tax and insurance. The tool separately shows a hypothetical property value at the end of the full mortgage term. The displayed model uses: Compare recurring rent with mortgage, tax and insurance; estimate equity from loan amortization and home-value change.
A worked example
For an illustrative rent-versus-buy comparison scenario, use Monthly rent: 2200 $; Home purchase price: 400000 $; Down payment: 20 %; Mortgage APR: 6.5 %; Mortgage term: 30 years; Annual property tax rate: 1.1 %; Annual home insurance: 1800 $; Annual home appreciation assumption: 2 %. The modeled monthly owner payment estimate is $2,539.28. These are example assumptions, not current prices, official benefit amounts or personalized advice.
Assumptions and real-world differences
This is not a complete net-worth comparison. Closing and sale costs, upkeep, rent increases, investment returns on unused cash, taxes and uncertain appreciation can change the outcome. Excludes local transaction costs, repairs, tax benefits, rent investments and market risk; not a purchase recommendation.
Building two independent scenarios
Scenario A and Scenario B each have a complete set of inputs for this rent-versus-buy comparison calculation. Change several inputs in B when comparing genuinely different plans, then inspect the B-minus-A headline difference and the detailed rows. When multiple inputs change, the total difference cannot be attributed to just one of them.
Reproduce this tool’s example
These fixed example inputs are independent of edits you make above. Enter them in this tool to reproduce the result, then replace them with your own assumptions.
- Scenario A — Monthly rent
- 2,200 $
- Scenario A — Home purchase price
- 400,000 $
- Scenario A — Down payment
- 20 %
- Scenario A — Mortgage APR
- 6.5 %
- Scenario A — Mortgage term
- 30 years
- Scenario A — Annual property tax rate
- 1.1 %
- Scenario A — Annual home insurance
- 1,800 $
- Scenario A — Annual home appreciation assumption
- 2 %
- Scenario B — Monthly rent
- 2,200 $
- Scenario B — Home purchase price
- 500,000 $
- Scenario B — Down payment
- 20 %
- Scenario B — Mortgage APR
- 6.5 %
- Scenario B — Mortgage term
- 30 years
- Scenario B — Annual property tax rate
- 1.1 %
- Scenario B — Annual home insurance
- 1,800 $
- Scenario B — Annual home appreciation assumption
- 2 %
Scenario B result: $3,136.61
Scenario A: $2,539.28. Monthly owner payment estimate.
- Scenario A main result: $2,539.28
- Scenario B main result: $3,136.61
- Numeric difference (B − A), in result units: 597.33
Frequently asked questions
- Does a lower owner payment prove buying is better?
- No. Upfront capital, flexibility, risk and costs omitted from the simplified comparison also matter.
- Which inputs should I check before using this rent-versus-buy comparison estimate?
- Check monthly rent, home purchase price, down payment, mortgage apr, mortgage term, annual property tax rate, annual home insurance, annual home appreciation assumption. Match each field’s unit and time period, then compare the detailed rows rather than treating the headline alone as the complete answer.
- Why is this different from the one-factor comparison?
- The one-factor tool changes only home purchase price. This version lets all model inputs differ, so it is more flexible but does not isolate the effect of any single change.