Renting vs. Buying a Home: How to Know Which Makes Sense for You
There's no universal answer to "rent or buy" — the honest answer is that it depends almost entirely on how your local rent compares to the full cost of owning, and what you'd otherwise do with the money a down payment ties up. On a $300,000 home with 10% down, the math below shows buying pulling ahead anywhere from year 3 to never, depending on just a $600/month swing in comparable rent.
Run the comparison as an opportunity-cost calculation, not a rent-receipt-vs-mortgage-statement one: compare your home equity (after selling costs) against what a renter would have if they'd invested the down payment and every dollar they saved by renting instead. Buying only pulls ahead within a normal holding period if comparable rent is within a few hundred dollars of the full monthly cost of owning. If rent is meaningfully cheaper than owning, renting and investing the difference can still be ahead after 15-plus years — if you actually invest it.
The break-even math: how long until buying wins
The comparison people usually make — rent payment vs. mortgage payment — leaves out most of the real cost of owning and all of the opportunity cost of the down payment. A fairer version tracks the buyer's net position (home value minus loan balance minus ~7% selling costs) against a renter's invested portfolio. Here's that comparison on a $300,000 home, 10% down, at 6.66%, against $2,000/month comparable rent, assuming 3.5% annual appreciation and a 7% return on invested savings — for a renter who invests everything saved, every month, without fail:
| Year | Home value | Loan balance | Buyer's net position | Renter's portfolio |
|---|---|---|---|---|
| 1 | $310,500 | $267,073 | $21,692 | $43,091 |
| 5 | $356,306 | $253,210 | $78,155 | $102,185 |
| 10 | $423,180 | $229,807 | $163,750 | $190,598 |
| 15 | $502,605 | $197,186 | $270,236 | $297,671 |
The problem with that table is the assumption baked into the renter's column: it assumes total investing discipline for 15 years straight. A more realistic comparison — a renter who invests the down payment once, then just spends whatever renting saves them each month — looks very different:
| Year | Buyer's net position | Renter — invests everything | Renter — invests only down payment |
|---|---|---|---|
| 1 | $21,692 | $43,091 | $32,169 |
| 5 | $78,155 | $102,185 | $42,529 |
| 10 | $163,750 | $190,598 | $60,290 |
| 15 | $270,236 | $297,671 | $85,468 |
One illustrative $300,000 example — run your own rent, rate, and down payment in the home affordability calculator.
The gap is stark: a renter who invests only the down payment falls behind the buyer by year 5, and is worth less than a third of the buyer's position by year 15. This comparison lives or dies on investing discipline as much as on the numbers themselves. A renter who treats monthly savings as real, untouchable investment money can come out ahead of buying for well over a decade. A renter who treats it as extra spending money — which is most people, in practice — is usually better off owning.
Opportunity cost of a down payment
A $30,000 down payment isn't just cash you're not spending on rent — it's cash that stops compounding in the market the moment it's tied up in home equity. At a 7% average annual return, that same $30,000 grows to roughly $42,000 after 5 years, $59,000 after 10, $83,000 after 15, and $116,000 after 20 — the real cost of your down payment, separate from your monthly payment entirely.
The flexibility trade-off
Renting's biggest advantage isn't monthly cost — it's the cost of changing your mind. Breaking a lease early typically costs 2 to 4 months' rent (some states cap it lower; Florida limits it to 2 months) — roughly $4,000–$8,000 on a $2,000/month rental. Selling a home early costs far more: beyond the ~7% in selling costs already built into the math above (roughly $21,000–$35,000 on a $300,000–$500,000 home), you're exposed to timing risk if you have to sell in a soft market.
Total cost of ownership renters skip entirely
A mortgage quote only shows principal and interest. The full monthly cost of owning the $300,000 home in this example breaks down like this in year one:
| Cost | Monthly | Share of total |
|---|---|---|
| Principal & interest | $1,735 | 60% |
| Property tax | $500 | 17% |
| Maintenance & repairs | $375 | 13% |
| PMI (until removed) | $158 | 5% |
| Homeowners insurance | $125 | 4% |
| Total | $2,893 | 100% |
Maintenance alone is worth sitting with: budgeting 1% to 4% of home value annually is the standard range, trending higher as a home ages. A renter's equivalent of tax, maintenance, insurance, and PMI is exactly $0 — folded invisibly into what the landlord charges. HOA fees, where they apply, stack on top of this table — commonly $200–$400/month.
A simple rent-vs-buy checklist
- Get your real comparable rent, not a guess — it's still one of the biggest levers in this comparison.
- Price in the full cost of owning — tax, insurance, maintenance, HOA, and PMI if it applies.
- Be honest about your expected time in the home. Under 3–4 years generally favors renting, once selling costs are factored in.
- Be honest about whether you'd actually invest the difference every month. Use a conservative 5–7% return estimate, not the best year the market ever had.
- Run your own numbers in the home affordability calculator rather than reusing this guide's $300,000 example.
Frequently asked questions
Is buying always better long-term, even if renting wins the math for a while?
Not necessarily — in the fully-disciplined-investor scenario above, renting and investing every dollar saved stays ahead of buying well past 15 years. But that result depends entirely on actually investing the monthly savings rather than spending them.
Does this account for tax benefits of owning, like the mortgage interest deduction?
Not in the simplified version above — itemized deductions only help if they exceed the standard deduction, which is no longer true for most homeowners since it roughly doubled in 2018. If you do itemize, the benefit modestly favors buying.
What return assumption should I actually use for the "invest the difference" side?
The S&P 500's long-run nominal average is close to 10%, but a more conservative 5–7% is common in rent-vs-buy modeling to account for taxes and inconsistent investing. The sensitivity above shows how much that single assumption moves the outcome.
Does a bigger down payment change the break-even point?
Yes — a larger down payment lowers your monthly PMI and interest cost but ties up more opportunity-cost capital up front, and a smaller one does the reverse. Rerun the checklist with your actual planned down payment.
Sources: Offerpad — commission rates after the NAR settlement · HomeGuide — average maintenance costs · Fidelity — S&P 500 historical return · AmeriSave — average appreciation · iPropertyManagement — cost of breaking a lease
This is an estimate for educational purposes only. HowAffordable is not a lender, broker, or financial advisor — actual rents, appreciation, and investment returns vary and are never guaranteed. See our methodology for full assumptions.