Rent vs buy break-even guide

Rent vs buy inputs to verify

• Holding period (time horizon).
• Mortgage rate, down payment, and closing/selling costs.
• Rent growth and home appreciation assumptions.
• Maintenance, taxes, insurance, HOA, and investment return.

What "break-even" means

Break-even is not a prediction. It is the point where your modeled outcomes look similar based on the assumptions you enter. Change the assumptions and the break-even timeline changes too.

The assumptions that move the result most

• Holding period (how long you plan to stay).
• Mortgage rate and down payment size.
• Home appreciation and rent growth assumptions.
• Closing and selling costs.
• Maintenance and HOA costs.
• Investment return on cash not used for a down payment.

Price-to-rent ratio as a sanity check

A high price-to-rent ratio often means a longer break-even period. Use it as a rough reasonableness check, then rely on the full model for your actual decision.

Rate sensitivity quick test

• Run the same scenario with a rate that is 0.50% higher.
• Compare the break-even horizon and total cost gap.
• If results flip quickly, your decision is rate-sensitive.

Cash flow vs net worth view

Rent vs buy can be framed two ways: monthly cash flow and long-term net worth. A scenario can look worse on monthly cash flow but still build equity over time. Use both views so you do not overreact to short-term payment differences.

• Cash flow view: compare monthly out-of-pocket costs.
• Net worth view: include equity, appreciation, and investment returns.
• Consistency matters more than optimism.

Break-even is a range, not a date

Small changes in appreciation, rent growth, or selling costs can move break-even by years. Use a conservative base case plus a downside scenario so you see the range, not a single point estimate.

Checklist: set realistic inputs

• Use your local tax rate and insurance quote, not a national average.
• Include HOA dues if applicable, even if they change later.
• Use conservative maintenance assumptions for older homes.
• Set selling costs high enough to cover agent fees and closing expenses.
• Use an investment return range, not a single optimistic number.

Compare cash-to-close vs monthly cost

Buying often requires a large upfront cash outlay. Renting keeps that cash invested. The rent vs buy result depends on how the cash is treated, so be consistent about what happens to the down payment and closing costs in both scenarios.

Use the mortgage payment breakdown

Run a mortgage payment estimate first so you can confirm principal and interest, taxes, insurance, HOA, and PMI (if any). Then bring those numbers into the rent vs buy calculator so the housing cost inputs are realistic.

Example scenario to test

Example: $450,000 home price, 20% down, 6.50% rate, 30-year term, 1.1% property tax, $1,600/year insurance, 1.5% maintenance, 5% selling costs, 3% appreciation, 3% rent growth, 5% investment return, and a 7-year holding period. Adjust one input at a time to see which assumption drives the result.

Decision checklist

• Use a holding period that matches your realistic plans.
• Model both a conservative and optimistic case.
• Include selling costs and moving costs on short horizons.
• Re-run when rates or rents change materially.

Common pitfalls

• Using a long holding period when you may move within a few years.
• Ignoring selling costs or assuming they are negligible.
• Using appreciation that is much higher than local historical ranges.
• Forgetting HOA or maintenance costs in the homeowner scenario.
• Comparing results without keeping the time horizon consistent.

What this calculator does not include

• Income tax impacts or itemized deduction benefits.
• Personal utility costs or renter insurance.
• Large renovations or unexpected repairs beyond your maintenance assumption.

Tax and deduction notes

Tax impacts can change the math for some households, but they are highly personal and depend on filing status, state rules, and whether you itemize. If taxes are material to your decision, model them separately and compare the after-tax result side by side.

Moving and setup costs

Buying often includes one-time costs like inspections, appraisal, and moving. Renting can also include deposits or broker fees. If you expect these to be significant, add them to your scenario assumptions so the comparison stays realistic.

FAQ

Is break-even the same as profit?

No. Break-even is the point where modeled outcomes look similar. It does not guarantee profit or account for all tax or personal factors.

Should I always use the longest horizon?

No. Use the most likely holding period for your situation. Shorter horizons can change results dramatically.

Do small changes matter?

Yes. Changes to appreciation, rent growth, and selling costs can move break-even by years. Use a range of assumptions.

Should I include tax benefits?

This guide does not include tax benefits because they vary widely. If taxes are important, model them separately using your own marginal rate and itemization assumptions.

What about rent concessions or free months?

Include concessions by lowering the effective monthly rent in your base case. Keep the adjustment consistent across scenarios so you can compare results fairly.

How should I treat moving costs?

If a move is likely, add the expected moving and setup costs to the scenario where they apply. For short horizons, these costs can shift break-even by a meaningful amount.

References

• CFPB: Owning a home: mortgage basics
• CFPB: What are closing costs?

Next steps

Educational use only. Not financial advice.

Last updated: 2026-02-17