Renting out your house is one of the most common paths into real estate investing — you already own the asset. But the decision is more nuanced than “will it cover the mortgage.” Tax traps, capital gains timing, and the value of your existing low rate all factor in.
The Rate Lock Advantage: Why 2026 Changes the Math
If you purchased your home between 2019 and early 2022, you may have a mortgage rate between 2.5% and 4%. At current 2026 rates of 6.5–7.5%, that rate is worth keeping — and renting is the only way to keep it.
The rate lock value on a $350,000 mortgage:
| Rate | Monthly P&I | Annual Interest | 10-Year Interest Cost |
|---|---|---|---|
| 3.0% (existing) | $1,476 | $10,431 | ~$99,000 |
| 7.0% (2026 rate) | $2,329 | $24,395 | ~$228,000 |
| Difference | $853/month | $13,964/year | $129,000 |
Selling the home at 3.0% and buying your next home at 7.0% costs you $853/month more in mortgage payments — permanently. Renting out the 3.0% property and renting your next residence may be cheaper overall, even after accounting for rent you pay elsewhere.
Cash Flow Analysis: Four Scenarios
Scenario 1: Low-Rate Mortgage, Strong Rent Market
$380,000 home, $260,000 mortgage at 3.2%, rent: $2,400/month
| Monthly | |
|---|---|
| Gross rent | $2,400 |
| Vacancy (7%) | −$168 |
| Mortgage P&I | −$1,126 |
| Property taxes | −$370 |
| Landlord insurance | −$155 |
| Maintenance + CapEx (10% of rent) | −$240 |
| Property management (10%) | −$240 |
| Monthly cash flow | +$101 |
| Cash-on-cash return | Minimal, but appreciating asset at low debt cost |
Verdict: Strong case to rent. Low rate, positive cash flow, property appreciates while someone else covers your mortgage.
Scenario 2: High-Rate Mortgage, Negative Cash Flow
$380,000 home, $320,000 mortgage at 6.9%, rent: $2,400/month
| Monthly | |
|---|---|
| Gross rent | $2,400 |
| Vacancy (7%) | −$168 |
| Mortgage P&I | −$2,129 |
| Property taxes | −$370 |
| Landlord insurance | −$155 |
| Maintenance + CapEx (10% of rent) | −$240 |
| Property management (10%) | −$240 |
| Monthly cash flow | −$902 |
Verdict: Sell unless you expect strong appreciation and can absorb $900/month in negative cash flow. You’d need ~$10,800/year in appreciation and tax benefits just to break even on an annual basis.
Scenario 3: No Mortgage (Paid Off)
$380,000 home, no mortgage, rent: $2,400/month
| Monthly | |
|---|---|
| Gross rent | $2,400 |
| Vacancy (7%) | −$168 |
| Property taxes | −$370 |
| Landlord insurance | −$155 |
| Maintenance + CapEx (10% of rent) | −$240 |
| Property management (10%) | −$240 |
| Monthly cash flow | +$1,227 |
| Annual net income | ~$14,724 |
| Cap rate on $380K value | 3.87% |
Verdict: Excellent income. If you don’t need the equity, renting generates substantial passive income plus appreciation. Selling and investing $380,000 in bonds at 4.5% yields $17,100/year — comparable, but without the appreciation upside.
Scenario 4: Self-Managing vs. Hiring a Manager
Using Scenario 1, the difference self-management makes:
| With Manager | Self-Managed | |
|---|---|---|
| Management fee | −$240/month | $0 |
| Monthly cash flow | +$101 | +$341 |
| Annual extra income | — | +$2,880 |
| Your time cost | ~1 hr/month | ~5–10 hrs/month |
Self-managing adds ~$2,880/year — roughly $29–$48/hour if you spend 5 hrs/month on the property. Worth it for many landlords; not worth it if your time is more valuable elsewhere.
The Capital Gains Tax Trap: Timing Matters
The IRS primary residence exclusion is worth up to $500,000 in tax-free gains. You must have lived in the home 2 of the past 5 years to claim it.
If you convert to rental, the clock keeps running:
| Years as Rental Before Selling | Exclusion Available? |
|---|---|
| 1 year (still lived there 2 of past 5) | Yes — sell and exclude gains |
| 2 years (lived there 2 of past 5, barely) | Possibly — depends on exact dates |
| 3+ years (no longer 2 of past 5 years) | No exclusion — full capital gains tax |
Example of exclusion lost:
- Bought in 2018 for $280,000; current value $520,000
- Gain = $240,000
- If you sell while exclusion applies: $0 in federal capital gains tax
- If you rent 3+ years and sell after exclusion expires: $240,000 × 15–23.8% = $36,000–$57,120 in federal taxes
- Plus depreciation recapture on whatever depreciation you claimed during the rental period
Strategy: If your unrealized gain is large, either sell now (while exclusion applies) or commit to holding the rental long-term and using a 1031 exchange on eventual sale.
Depreciation: The Hidden Tax Benefit (and Future Liability)
Once you convert to rental, you can deduct annual depreciation — approximately 3.6% of the building value (not land) per year over 27.5 years.
$380,000 property, $310,000 building value:
- Annual depreciation deduction: $310,000 ÷ 27.5 = $11,273/year
- Tax savings at 22% bracket: ~$2,480/year — even if cash flow is breakeven
The catch: When you eventually sell, all depreciation taken is recaptured and taxed at up to 25%. After 5 years of renting, you’ve taken $56,365 in depreciation — which is taxed at 25% on sale = $14,091 in recapture tax.
Model this in your eventual exit plan. It doesn’t make renting wrong — but it affects total return calculations.
Converting Back to Primary Residence
If you later move back into the rental (to reclaim the capital gains exclusion or to live there), be aware:
- You need to re-establish it as your primary residence (live there 2 of the next 5 years)
- The “non-qualified use” period (time rented after 2009) reduces the exclusion proportionally
- Depreciation recapture from the rental period still applies regardless of re-occupancy
Example: Rented for 3 years, moved back for 2 years, then sell. Of the 5-year period, 3 years were rental (non-qualified use). Exclusion is prorated: 2/5 = 40% of gain qualifies for exclusion. The other 60% is taxable.
Decision Checklist
Use this before deciding:
| Question | Rent | Sell |
|---|---|---|
| Cash flow positive after all expenses? | ✅ | — |
| Mortgage rate below 5%? | ✅ Strong reason to keep | — |
| Unrealized gain > $200K? | Consider timing | ✅ Use exclusion now |
| Need equity for next purchase? | — | ✅ |
| Willing to be a landlord (or pay 10%)? | ✅ | — |
| Property in strong rental market? | ✅ | — |
| Major repairs needed (roof, HVAC)? | ⚠️ Factor in cost | ✅ Sell as-is |
| FHA/VA loan with occupancy requirement? | Check with lender first | — |
| Planning to move back within 3 years? | ✅ Rent short-term | — |
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