Break-even month
Not reached
Housing
Rent vs Buy Break-Even Calculator
Deterministic rent-vs-buy model with month-level break-even horizon, equity vs renter-investment tracking, and conservative/base/optimistic scenario bands.
Break-even output
Net advantage at horizon
-$10,180.17
Buyer equity at horizon
$296,897.45
Renter investment at horizon
$307,077.63
Horizon Wealth Snapshot
Compare cash outflow, buyer equity, and renter invested balance.
Buyer cumulative outflow
$548,926.59
Renter cumulative outflow
$362,564.79
Buyer equity @ horizon
$296,897.45
Renter investment @ horizon
$307,077.63
Yearly Buy vs Rent Trajectory
Follow equity and net advantage through the analysis horizon.
Y1Y6Y10
Buyer equity if sold
$296,897.45
Renter investment balance
$307,077.63
Net advantage (buy - rent)
-$10,180.17
Includes all assumptions
Scenario band
| Scenario | Break-even | Net advantage @ horizon |
|---|---|---|
| conservative | Not reached | -$109,547.60 |
| base | Not reached | -$10,180.17 |
| optimistic | 56 mo | $92,378.17 |
Yearly timeline snapshot
| Year | Buyer outflow (month) | Rent (month) | Equity if sold | Renter investment | Buy - Rent |
|---|---|---|---|---|---|
| 1 | $3,492.37 | $2,671.41 | $89,012.02 | $132,308.26 | -$43,296.24 |
| 2 | $3,520.69 | $2,751.55 | $108,750.00 | $150,024.95 | -$41,274.95 |
| 3 | $3,549.87 | $2,834.10 | $129,245.33 | $168,155.67 | -$38,910.35 |
| 4 | $3,579.92 | $2,919.12 | $150,530.90 | $186,705.80 | -$36,174.91 |
| 5 | $3,610.87 | $3,006.70 | $172,641.24 | $205,680.45 | -$33,039.21 |
| 6 | $3,642.75 | $3,096.90 | $195,612.59 | $225,084.43 | -$29,471.85 |
| 7 | $3,675.58 | $3,189.81 | $219,482.95 | $244,922.23 | -$25,439.28 |
| 8 | $3,709.41 | $3,285.50 | $244,292.26 | $265,197.97 | -$20,905.71 |
| 9 | $3,744.24 | $3,384.06 | $270,082.42 | $285,915.35 | -$15,832.93 |
| 10 | $3,780.12 | $3,485.59 | $296,897.45 | $307,077.63 | -$10,180.17 |
Warnings
- Buying does not break even within the selected analysis horizon.
Assumption highlights
Down payment $100,000.00 | Closing costs $15,000.00 | Horizon 10 years
How to use it
- Enter purchase price, down payment, mortgage rate, rent, expected time in the home, closing costs, selling costs, property tax, insurance, maintenance, appreciation, and investment return. The holding period is often the single biggest driver of the answer.
- Read break-even month and net advantage at your chosen horizon, then compare home equity versus renter investment value. Buying can look strong monthly while still losing over the horizon once transaction costs are counted.
- If the break-even point is later than when you expect to move, renting is usually the cleaner financial choice. Ownership tends to struggle on short horizons because closing and selling costs can easily absorb several years of appreciation.
- Run one case with 1% lower appreciation and one with a 1% higher mortgage rate. If buying still wins, the case is more robust; if not, use the mortgage affordability calculator to reset your price range before you shop.
- Re-run when rates move, rent quotes change, or your expected stay changes by 12 months or more. Track break-even month, monthly owner cost versus rent, and the horizon at which equity finally outweighs transaction drag.
AI Integrations
Contract, discovery endpoints, and developer notes for agent use.
Always available for agents
AI Integrations
Contract, discovery endpoints, and developer notes for agent use.
Tool contract JSON
https://aifinhub.io/contracts/rent-vs-buy-calculator.jsonStable input and output contract for this exact tool.
Human review
People can use the browser page to sense-check outputs and charts, but agents should still execute against the contract and discovery endpoints.
- /agent-tools.json - machine-readable tool index.
- /llms.txt - human-readable model discovery guide.
- /.well-known/webmcp.json - WebMCP capabilities manifest.
- /.well-known/ai-plugin.json - plugin-style discovery manifest.
{
"tool": "rent_vs_buy_break_even",
"home_price": 500000,
"down_payment_percent": 20,
"mortgage_rate_percent": 6,
"loan_term_years": 30,
"monthly_rent": 2600,
"rent_growth_percent": 3,
"home_appreciation_percent": 3,
"property_tax_percent": 1.2,
"annual_home_insurance": 1800,
"annual_maintenance_percent": 1,
"hoa_monthly": 0,
"closing_costs_percent": 3,
"selling_costs_percent": 6,
"investment_return_percent": 6,
"analysis_years": 10
} Expand developer notes
Agent playbook
- Resolve Rent vs Buy Break-Even Calculator from /agent-tools.json and open its contract before execution.
- Validate inputs against the contract schema instead of scraping labels from the page UI.
- Open the browser page only when a person wants to review charts, assumptions, or related tools.
Agent FAQ
Should ChatGPT, Claude, or another agent click through the UI?
No. Start with /agent-tools.json, then follow the tool's contract URL. The page UI is for human review, not parameter discovery.
When do tools show Quick and Advanced?
Every tool opens in Quick Start first. Advanced Controls keeps the same scenario, reveals more assumptions or diagnostics, and every tool keeps AI integrations inline below the instructions.
When should an agent still open the browser page?
Open it when a human wants to sense-check the output, review the chart, or keep exploring related tools after the calculation finishes.
Questions people usually ask
What does break-even month mean here?
It is the first month where modeled buy-side equity exceeds the renter investment path under your assumptions.
Does this include taxes and maintenance?
Yes. The model includes property tax, home insurance, maintenance, HOA, closing costs, and selling costs.
How is opportunity cost handled?
The tool models the renter path with invested down-payment and monthly cashflow differences at a user-defined return rate.
Why can break-even be `not reached`?
Under some assumptions, renting plus invested capital can stay ahead across the full analysis horizon.
Can I share assumptions with someone else?
Yes. Use the share URL button to encode all assumptions in the query string.
Is this professional advice?
No. Outputs are planning estimates only — not financial, tax, or investment advice.
Related Resources
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Every link here is tied directly to Rent vs Buy Break-Even Calculator. Use the explanation, formula, examples, and benchmarks to pressure-test the calculator output from first principles.
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