The rent vs buy decision used to be simple: if you could afford a mortgage, you bought. Renting was "throwing money away" and buying was always the smart move. But with mortgage rates sitting above 6.5% in 2026, the math has fundamentally shifted. Monthly payments on the same home are 40% higher than they were in 2021, and the old assumptions no longer hold.
In January 2022, the average 30-year fixed rate was 3.22%. Today it hovers around 6.5% to 6.8%. On a $350,000 home with 20% down ($280,000 loan), that rate difference means your monthly principal and interest payment went from $1,215 to $1,770 — an extra $555 every single month. Over 30 years, you pay an additional $200,000 in interest.
This doesn't mean buying is always wrong. It means the breakeven timeline — the point where buying becomes cheaper than renting — has stretched dramatically. In many markets, you now need to stay 5 to 7 years just to break even, compared to 2 to 3 years when rates were in the 3% range.
Let's walk through a specific scenario. You currently pay $1,800/month in rent. You're considering buying a $350,000 home with 20% down ($70,000) at a 6.5% mortgage rate.
Your monthly costs as a buyer: principal and interest of $1,770, property taxes of $365 (assuming 1.25% rate), homeowners insurance of $145, maintenance reserve of $290 (1% of home value annually). That totals $2,570 per month — $770 more than renting.
But wait, roughly $400 of your mortgage payment goes to principal each month in the early years, building equity. So your true "lost" housing cost is closer to $2,170 per month. Still $370 more than renting. The gap narrows over time as more of each payment goes toward principal, but it takes years.
Here's what most rent vs buy calculators miss: the $70,000 down payment has an opportunity cost. If you invested that money in a diversified index fund earning an average 8% annually, it would grow to roughly $151,000 in 10 years. That's $81,000 in gains you gave up by putting the money into a house.
Add in the closing costs ($10,000 to $15,000 to buy, and another $15,000 to $20,000 in realtor fees when you sell), and the true cost of homeownership is significantly higher than just the mortgage payment. Renters who invest their savings can build substantial wealth without ever owning property.
A quick way to compare: multiply the home's value by 5% and divide by 12. For a $350,000 home, that's $350,000 times 0.05 divided by 12 which equals $1,458 per month. If your rent is below this number, renting is likely cheaper. If your rent is above it, buying may make more sense. At $1,800 rent vs a $1,458 threshold, this rule suggests buying could be favorable — but remember, this is a rough guide that doesn't account for your specific tax situation or investment returns.
Buying makes financial sense when you plan to stay at least 5 to 7 years. The longer you hold, the more principal you build and the more likely appreciation works in your favor. In markets with strong population growth — think Raleigh, Boise, Austin, and Nashville — home values have historically appreciated 3% to 5% annually.
Buying also wins when you lock in a payment that stays flat while rents keep rising. If rents in your area are increasing 4% to 6% per year, your $1,800 rent becomes $2,400 in five years. Meanwhile, your mortgage payment stays at $1,770 forever (taxes and insurance may creep up, but the biggest chunk is fixed).
Forced savings matter too. Most people won't actually invest their down payment in index funds — they'll spend it. A mortgage forces you to build equity whether you feel like it or not. For people who struggle to save, homeownership acts as an automatic wealth-building mechanism.
Renting wins when you might move within 3 to 5 years. Transaction costs of buying and selling a home (closing costs, realtor commissions, moving expenses) typically run 8% to 10% of the home's value. On a $350,000 home, that's $28,000 to $35,000 in frictional costs. You need enough appreciation and principal paydown to overcome that.
Renting also wins in extremely high-cost markets where the price-to-rent ratio is stretched. In San Francisco, a $1.2 million condo might rent for $3,500/month. Buying that condo would cost $6,000+ per month all-in. The math overwhelmingly favors renting and investing the difference.
Career uncertainty is another factor. If there's a reasonable chance you'll relocate for a better job, renting preserves your flexibility. Selling a home quickly often means accepting a lower price or paying carrying costs on two residences.
Maintenance is the big one. Budget 1% to 2% of the home's value annually. On a $350,000 home, that's $3,500 to $7,000 per year — a new HVAC system runs $8,000 to $15,000, a roof replacement $10,000 to $20,000, and even small repairs (plumbing, appliances, water heater) add up to $1,000 to $3,000 per year.
Property taxes can increase unpredictably. Many states reassess values periodically, and a hot market can push your tax bill up 20% to 30% in a single reassessment. HOA fees, if applicable, tend to increase 3% to 5% annually and can levy special assessments of $5,000 or more for major repairs.
Don't forget the time cost. Homeownership requires your attention — dealing with contractors, maintaining the yard, handling repairs, managing insurance claims. That's time you could spend earning money, building a side business, or simply enjoying life.
There's no universal answer to rent vs buy. The right choice depends on your timeline, local market conditions, career stability, and discipline as a saver. Run the numbers for your specific situation using our rent vs buy calculator at /tools/rent-vs-buy-calculator. Input your actual rent, the home price you're considering, and your expected hold period. The math will tell you what the emotions won't.