Rent vs Buy for High Earners Moving in 3 Years

Transaction costs alone — buying in at 2–5% and selling out at 5–6% — consume $56,000 to $88,000 on an $800,000 home before a single month of mortgage interest is counted. For high earners planning to move in three years, that arithmetic is the entire argument. The Finluxy Buy-Rent Break-Even Horizon for a representative $800,000 purchase at today’s rates runs between 7.4 and 16.8 years depending on assumptions — a range that makes a 3-year holding period look like financial self-sabotage in any scenario.

The Numbers at a Glance

Why Three Years Is the Worst Holding Period

Real estate transaction costs are front-loaded and back-loaded simultaneously. Buying incurs closing costs of 2–5% of purchase price immediately (Redfin, May 2026). Selling incurs agent commissions and transfer costs of roughly 5–7% of the sale price. On an $800,000 purchase, the combined entry-and-exit friction ranges from approximately $60,800 to $97,600, depending on what the home sells for and how aggressively costs are negotiated. That friction must be covered by home price appreciation before a short-term buyer breaks even on transaction costs alone — before considering mortgage interest, property taxes, maintenance, or the opportunity cost of the down payment.

At the 2026 national home appreciation pace — NAR reports year-over-year existing home price growth of roughly 1.4% as of April 2026, with a 2026 full-year forecast of 4% — a three-year holding period generates $34,000 to $100,000 in appreciation on an $800,000 home under base to optimistic scenarios. The upper end of that range barely covers the entry-and-exit friction. The lower end doesn’t come close. The interest rate impact on the buy-vs-rent decision compounds this: with the 30-year fixed averaging 6.53% (Freddie Mac, May 28, 2026), year-one mortgage interest on a $640,000 loan exceeds $41,000. Almost none of that is recovered in three years.

Three years is also too short for amortization to help meaningfully. At 6.53% on a $640,000 30-year loan, the principal paydown in the first three years totals roughly $27,000. Offset that against $60,800–$97,600 in transaction costs, $33,000–$35,000 in foregone investment returns on the $160,000 down payment, and the math closes on the buyer’s side only if appreciation runs well above trend.

The Complete Cost Stack: Owning vs. Renting Over 36 Months

Below is a full monthly cost comparison for an $800,000 purchase versus renting the equivalent property at an assumed $3,900/month. The equivalent rent figure is a market estimate for a property in the $750,000–$850,000 price range in a mid-tier U.S. market; actual equivalent rents vary sharply by city. For break-even math specific to New York City or the San Francisco analysis, those markets require separate modeling given higher price-to-rent ratios.

Sources: Freddie Mac PMMS (May 28, 2026); ATTOM Annual Property Tax Analysis (April 2026); Federal Reserve long-term return data; market rate estimates for insurance and rent.

The raw monthly gap is $2,507 in year one, favoring renting. Over 36 months, even accounting for rent growing at the BLS CPI-measured ~3.5% annual pace (BLS, April 2026) and owner costs remaining stable, the cumulative monthly cost differential runs to approximately $88,000–$96,000 in favor of renting — before factoring in the transaction costs on exit. Home appreciation at 3% annually adds about $72,000 in equity over three years, but the combined weight of transaction friction and opportunity cost erases most or all of that gain in all but the bullish scenario.

Tax Benefits Don’t Save the Three-Year Math

A critical update affects every analysis written before 2025: the state and local tax deduction cap (SALT cap — the combined limit on deductions for state income taxes and property taxes) is now $40,400 for tax year 2026 under the One Big Beautiful Bill Act, up from the $10,000 ceiling that applied from 2018 through 2024. The phase-down only begins above $505,000 MAGI in 2026, meaning households earning $150,000–$400,000 can access the full $40,400 cap. This substantially improves the tax case for homeownership compared to analyses written under the old TCJA rules — but it doesn’t flip the three-year math.

The relevant federal tax benefit for a homeowner earning $150,000–$300,000 is the mortgage interest deduction, accessible only for taxpayers who itemize. At 6.53% on $640,000, year-one mortgage interest is approximately $41,700. If the taxpayer itemizes (which requires total itemized deductions to exceed the 2026 standard deduction — $15,000 for single filers, $30,000 married filing jointly), they can deduct the interest at their marginal federal rate. At a 24% marginal rate, that’s a tax benefit of roughly $10,000 in year one on interest alone. Adding $7,200 in property taxes (deductible up to the $40,400 SALT cap), the combined federal tax benefit reaches $14,000–$18,000 annually for a taxpayer who itemizes. The real dollar value of the homeownership tax benefit merits its own analysis for high earners, but even at the top of this range, it closes only a fraction of the $2,507 monthly cost gap shown above.

For a three-year buyer, the cumulative federal tax benefit tops out at roughly $42,000–$54,000 over the holding period. The combined transaction friction on entry and exit — using midpoint estimates of $28,000 in buyer closing costs and $52,000 in seller costs — totals $80,000. The tax benefit doesn’t cover the transaction friction, let alone the opportunity cost and the monthly carrying cost premium.

Finluxy Buy-Rent Break-Even Horizon: Three Scenarios

The Finluxy Buy-Rent Break-Even Horizon measures how many years must pass before the cumulative cost of buying — including all transaction costs — equals the cumulative cost of renting the equivalent property under stated assumptions. Three scenarios are modeled for an $800,000 purchase, 20% down, at 6.53%. Opportunity cost assumes 7% annual return on invested down payment, consistent with the S&P 500 long-term historical average.

Finluxy calculations based on: Freddie Mac PMMS (May 28, 2026); ATTOM effective property tax rate (April 2026); BLS CPI rent of primary residence trend (April 2026); NAR home price data (April 2026); Federal Reserve long-term return data. Break-even horizon accounts for PITI, maintenance at 1% annually, buyer closing costs at 3.5% of purchase price, seller transaction costs at 6% of sale price, renter’s insurance, and opportunity cost of down payment. Federal tax benefit modeled at 24% marginal rate with full itemization assumed.

Even the bull case — 5% annual appreciation, below-average equity returns — produces a break-even horizon of 7.4 years. A household planning to move in three years doesn’t approach the break-even horizon under any scenario modeled. The full buy-vs-rent analysis guide for $150k+ households covers how to adjust these scenarios for local price-to-rent ratios and income levels.

What the Data Shows That Most Coverage Misses

Most rent-vs-buy coverage focuses on the monthly payment comparison. The figure that actually determines outcomes for short-term holders is the transaction cost ratio — total entry-and-exit friction as a percentage of the property’s value — not the monthly gap. On an $800,000 home, that ratio runs 9–13% of purchase price before accounting for a single month of carrying costs. To put that in equity terms: a short-term buyer needs the home to appreciate by 9–13% in three years just to break even on friction, before any comparison to the rental alternative is even relevant.

At the 2026 national appreciation rate of ~1.4% per year (NAR, April 2026), three years generates only ~4.3% in cumulative price growth — roughly half the friction floor, in the best national-average scenario. The math only works if local appreciation runs at double or triple the national rate, which does happen in specific markets but cannot be planned for. For comparable analysis on markets where that rate of appreciation has historically occurred, the Austin post-surge analysis and Miami rate-impact analysis show what happened when buyers who counted on above-average appreciation faced a rate environment similar to today’s.

The second overlooked factor: the improved SALT cap under 2026 law ($40,400 vs. the prior $10,000) makes itemization meaningful again for households paying significant state income taxes. For a household in a high-tax state earning $200,000+, that’s a legitimate improvement in homeownership economics — but it affects the long-term hold, not the short-term hold. Transaction friction is transaction friction regardless of the tax environment.

The $150k+ Decision Framework for a 3-Year Horizon

For a household earning $150,000 or more planning a move within three years, the cost analysis points to renting in every modeled scenario. The relevant question shifts from “should I buy?” to “what should I do with the $160,000 I’m not putting into a down payment?”

At 7% annual return — the long-term S&P 500 historical average used throughout this analysis — $160,000 invested generates approximately $35,700 in nominal growth over three years. That’s before accounting for the $80,000-plus in transaction costs avoided by renting. The combined advantage of renting and investing the down payment over a 3-year horizon exceeds $100,000 in most scenarios modeled, which is real money even at a $150,000+ income level. The case for renting luxury is directly relevant: for households in this income range, renting a property above their ownership budget allows flexibility and capital preservation simultaneously.

There are non-financial factors the data cannot capture: stability, school districts, renovation rights, pets. If those factors are decisive, the financial cost of a short-term purchase is essentially a lifestyle premium — which is a legitimate choice as long as it’s treated as a cost, not an investment. Households that buy for lifestyle reasons on a 3-year horizon should budget for the transaction friction upfront, not as an afterthought. For those treating this as a purely financial decision, the break-even math is unambiguous: no scenario produces a horizon under 7 years, and the realistic base case sits at 11.2 years. Moving in three requires renting.

For households approaching the $500,000–$600,000 income range, there is one additional factor: the SALT phase-down begins above $505,000 MAGI in 2026, which gradually erodes the property tax deduction benefit. At that income level, the tax case for homeownership weakens even as the ability to absorb transaction friction improves. The full math at the $1M price point models this interaction explicitly. For other market-specific analyses at various income levels, the Chicago break-even timeline and the 10-city data at the $100k income level offer additional reference points, though the transaction friction problem at a 3-year horizon is consistent across markets.