Buy now or wait? How to compare the real monthly cost of owning against renting
Published October 2026. Educational information only. Not financial, tax or legal advice. Every figure is dated and sourced. The tool behind this guide estimates from your own inputs and public data. It cannot predict prices or rates.
Most "buy versus rent" comparisons fail the same way. They put a mortgage payment next to a rent check and call the difference the answer. That comparison omits several costs on the buying side and one large cost on the renting side. Fix the list first, then the arithmetic tells you something useful.
What owning costs
Principal and interest. Principal repays the loan; interest is the price of the money. Only principal builds equity. Over a 30-year fixed loan the interest is usually the larger share of the first payment. The rate you get depends on your credit, down payment, loan size and lender. Freddie Mac's weekly survey reported a 30-year fixed average of 7.40% for October 8, 2026 (Freddie Mac Primary Mortgage Market Survey, https://www.freddiemac.com/pmms, survey dated October 8, 2026, accessed October 8, 2026). That is a national average of rates offered during the week, not an offer to you.
Property tax. Usually billed annually, collected monthly or in quarterly escrow instalments. It varies by state and county more than by city, and it is reassessed over time. Geekabode may fill this after it looks up your area; otherwise the field stays blank and the page lists property tax under "Not counted". A figure you enter is treated as your estimate, not a bill.
Homeowners insurance. Not the renters policy you have now. Owners and renters policies are different products, priced differently, and an owners policy can change after a claim. Geekabode links the NAIC Homeowners Insurance Report (2023 data) as a reference point for this line.
HOA dues. Monthly, often bundled with amenities and building insurance. The amount varies by building and area. Blank in Geekabode if you do not enter it.
PMI (private mortgage insurance). Charged on the loan, not the house, when the down payment is under 20% of the price. For the conventional borrower-paid kind, you can ask the servicer to cancel it once the balance is scheduled to reach 80% of the original value, subject to conditions such as a good payment record; automatic termination generally happens at 78% while payments are current. FHA, VA and lender-paid insurance have different rules. Geekabode prefills a PMI rate from your down payment and labels it a rate assumption (CFPB, "When can I remove private mortgage insurance (PMI) from my loan?", https://www.consumerfinance.gov/ask-cfpb/when-can-i-remove-private-mortgage-insurance-pmi-from-my-loan-en-202/, reviewed August 28, 2026, accessed October 8, 2026).
Maintenance and repairs. Routine upkeep plus emergency repairs plus replacing worn systems roofs, HVAC, water heaters. Geekabode defaults to 1 percent of price a year for this line, and you can change it to match your home. That default is the page's own editable starting point, not an observed statistic, and it covers upkeep and replacements, not remodels (src/public/index.html, accessed October 8, 2026).
Closing costs. Paid once, at purchase. Geekabode defaults to 3 percent of price. Down payment plus closing costs are both cash you need before you own anything, which matters if you are comparing against a deposit you still hold while renting.
Opportunity cost of the down payment. The cash you put down is not earning anything. Over years, a difference in what that money could have returned matters. Geekabode does not put a return assumption on it, because any return figure would be a prediction. If you want it in your own comparison, add it as a line you choose yourself.
What Geekabode leaves out on purpose. Selling costs when you eventually sell. Those can be large and cannot be forecast honestly. The page says "selling costs not counted" under the answer rather than quietly dropping them. Home-value changes are not omitted: they are modelled only through the "Price changes (%)" scenarios you type, plus one row labelled "Official forecast (Fannie Mae, Month Year)" when the bundled forecast covers that horizon. Those are assumptions, not promised appreciation.
What renting costs
Rent, every month, on a lease. Renters insurance, a different product from homeowners insurance and usually less expensive. Utility differences if the landlord does not cover them. And rent growth: the rent you pay next year is not the rent you pay now. That last one is the cost most comparisons miss on the renting side, and Geekabode does not count it: the page's totals say "Based on: rent held flat". Add rent growth yourself if you expect it.
Why waiting has costs too
Waiting is not the zero option. Rent keeps being due. Prices and rates can both move while you wait, in either direction, and the site shows both by building a scenario table instead of pointing at one line. Waiting also delays the point at which principal payments start building equity. If you are near-term ready and have cash in hand, waiting has a real monthly bill and an unpredictable price and rate at the other end.
Why the answer depends on your numbers
The only honest version of this answer is the one computed from your own rent, price, down payment, time frame and assumptions. Two renters in the same county can get opposite answers. A buyer with 20 percent down and a low rate behaves very differently from a buyer with 5 percent down at a high rate. So this guide does not tell you what to do. It tells you what to enter.
Run it
Open https://geekabode.com. Fill in "City or ZIP", "Down payment", and either "Home price" or the "Monthly payment you can carry". Type what you actually pay now into "Current rent (per month)" — this is the field that decides whether the answer can state a direction at all. Then press Run the analysis and read the "Buy now or wait: your answer" section, including the "Not counted" line, the scenario table and the note on which rate and which date were used. Change any assumption and run it again to see what moves the answer.
The calculator needs no account, estimates from the numbers you enter and public data, and cannot predict prices or rates. It is not financial, tax or legal advice.
Sources
- Freddie Mac, Primary Mortgage Market Survey, 30-year fixed average 7.40%, survey dated October 8, 2026, https://www.freddiemac.com/pmms, accessed October 8, 2026. Same series as FRED MORTGAGE30US, observation date October 8, 2026, https://fred.stlouisfed.org/series/MORTGAGE30US, accessed October 8, 2026.
- Consumer Financial Protection Bureau, when PMI can be removed from a loan, https://www.consumerfinance.gov/ask-cfpb/when-can-i-remove-private-mortgage-insurance-pmi-from-my-loan-en-202/, reviewed August 28, 2026, accessed October 8, 2026.
- NAIC Homeowners Insurance Report (2023 data), the reference link on Geekabode's "Homeowners insurance (per year)" field, https://content.naic.org/sites/default/files/publication-hmr-zu-homeowners-report.pdf.
- Freddie Mac, "Planning to refinance," the reference link on Geekabode's "Refinance closing costs (% of balance)" field, https://myhome.freddiemac.com/refinancing/planning-to-refinance.
- Default assumption values (1% maintenance, PMI prefilled from down payment, 3% purchase closing costs, 2% refinance closing costs) are Geekabode's documented starting points, described as "starting points, not advice" in the page's own "Scenario assumptions" note (src/public/index.html, accessed October 8, 2026).