(and Why The Rate Hike Moved It)

The Fed just raised interest rates for the first time in three years, and the 30-year mortgage crossed 7% within days.

Here is the rent-vs-buy decision with the slogans removed — the five numbers that actually decide it, in plain language.

If you've ever been told "renting is throwing money away" by someone whose parents covered their down payment, this one's for you. No hype. No shame. Just the mechanics.

Part 1: The Real Question

"Should I rent or buy?" is the wrong question. The right question is: "For the years I'll actually live there, which choice leaves me wealthier?"

That reframe matters, because the entire debate is really about two things people never separate: unrecoverable costs (money gone forever — interest, taxes, insurance, rent) versus forced savings (money that comes back to you — principal paydown, appreciation). Once you see those two buckets, the decision gets honest fast.

Part 2: The 5% Rule — Your 60-Second Answer

Researchers use a shortcut called the 5% rule. Owning a home carries unrecoverable costs of roughly 5% of the home's value every year:

- ~1% property tax

- ~1% maintenance

- ~3% cost of capital (your mortgage interest plus the return your down payment isn't earning sitting in the house)

The rule: if your annual rent is less than 5% of the home's price, renting wins on wealth. If it's more, buying starts to win.

Example: a $350,000 house × 5% = $17,500/year, or about $1,458/month. If the comparable rental costs $2,200/month, the quick rule leans buy.

One catch the rule won't tell you: it measures wealth, not cash flow. Your monthly comfort and your net worth are two different scoreboards. Both matter — keep reading.

Part 3: The Fine Print (What the Rule Misses)

- Transaction costs are the silent killer. Expect 2–5% to buy (closing costs) and roughly 8–10% to sell (agent commissions plus closing). On a $350,000 home, that's $30,000–$40,000 evaporating on the round trip. This single fact is why your time horizon decides everything.

- The early years are mostly interest, not equity. Put 10% down on that $350,000 house — a $315,000 loan at 7% — and your payment is about $2,096/month in principal and interest. In year one, roughly 85% of each payment is interest. You're "building equity" far slower than the slogan suggests.

- The true monthly number is bigger than the mortgage. Add property tax (~$320/month at 1.1%), homeowner's insurance (~$200), and a 1% maintenance reserve (~$290), and the real cost is closer to $2,900/month — not the $2,096 the listing advertised.

- Rent has fine print too. Annual increases, zero equity, and a landlord's timeline instead of yours. Renting isn't free of costs; its costs are just simpler.

Part 4: What This Week's Hike Changed

The September 16 hike didn't just nudge the buy side — it hit it twice:

1. The payment got bigger. That same $315,000 loan at 6% cost about $1,889/month. At 7%, it's $2,096. The Fed's quarter point, filtered through the 10-year Treasury, added roughly $200/month to the buy side of your comparison.

2. The down payment got more valuable sitting still. High-yield savings and T-bills now pay over 4%. That $35,000 down payment earns roughly $1,500+/year doing nothing — which is $1,500/year added to the cost of locking it into a house.

Translation: higher rates punish buying twice — a bigger monthly payment and a more expensive down payment. Meanwhile, renting got relatively cheaper, because your un-spent down payment is finally earning real money.

Part 5: The Number That Matters Most — How Long You'll Stay

Take your round-trip transaction costs (~$30,000–$40,000 on our example) and divide by your annual ownership advantage. At today's rates, most buyers need 5–7 years to break even against renting.

That's where the 5-year rule of thumb comes from: if you might move within five years — job change, relationship change, city change — renting usually wins, because you never stay long enough to amortize the transaction costs. Be honest on this one. The math doesn't care about your plans; it cares about your calendar.

Part 6: What Math Can't Decide

- Mobility has a price and a value. A renter can chase a 20% raise in another city for the cost of a moving truck. A homeowner pays ~10% of the home's value for the same move.

- Forced savings is real. Many people won't invest the difference — and a mortgage makes them save anyway. Know which person you are before you judge the renter.

- Stability counts. Schools, community, the garden you want to plant — these are real returns, just not financial ones. Count them honestly instead of dressing them up as an "investment."

The Come Up Playbook: Rent-vs-Buy Edition

1. Price the comparable rental — the place you'd actually live in instead of the house, not a smaller downgrade.

2. Run the 5% rule: annual rent ÷ home price. Under 5%, renting likely wins on wealth. Over 5%, keep going.

3. Add up the TRUE ownership cost: P&I + property tax + insurance + HOA + 1% maintenance reserve. Compare that to rent — never the mortgage payment alone.

4. Be brutal about your time horizon. Under 5 years? Default to rent unless the math screams otherwise.

5. If buying: 20% down avoids PMI, 30-year fixed, and keep P&I + tax + insurance under ~28% of gross pay.

6. If renting: automate the difference. The renter who invests the monthly savings beats the buyer who doesn't. Know which person you are.

7. Never decide on a rate forecast. Buy the house you can afford at today's rates — same rule as the rate-hike playbook.

8. Get the insurance quote, the tax bill, and the HOA docs before you fall in love with the kitchen.

The Rules, Then the Grace

The rules: renting isn't throwing money away — it's buying flexibility at a price the 5% rule can check. Buying isn't automatically building wealth — it's a leveraged, concentrated, illiquid bet that pays off if you stay long enough. Run the numbers for your city, your timeline, your life.

The grace: there is no shame in renting while rates sit near 7% and prices haven't caught up. That's not falling behind — that's arithmetic. And if you bought at a rate that stings, you're not a cautionary tale. You're a homeowner with a fixed payment in an inflationary world. That's a map, not a mistake.

P.S. — If this helped you, forward it to one person on their come up. That's how this grows.