How to Analyze a Rental Property Deal in 30 Minutes

Share your analysis with a mentor or experienced investor before you offer. A second set of eyes catches what you miss. One avoided mistake pays for a lifetime of advice.

Create a deal-breaker checklist: seller numbers with no backup, expense ratio under 40% (most properties run 40–55%), no cap ex reserve, rent above comps. If any apply, walk away. Our pro forma guide covers how to stress-test assumptions.

You're scrolling through listings. A duplex in Tampa shows up. A single-family in Orlando's Avalon Park. The numbers in the listing look good, but how do you know if they're real? Most investors spend hours on spreadsheets. You can get a solid answer in 30 minutes if you know which metrics matter.

Here's the framework: cash flow, cap rate, cash-on-cash return, the 1% rule, and GRM. Each one with a formula, an example, and what's good or bad for Florida.

Cash Flow: The Bottom Line

In Florida, Formula. Monthly rent minus all expenses (mortgage, taxes, insurance, maintenance, vacancy, management) = monthly cash flow. Example. Orlando single-family in Avalon Park: $325,000 purchase, 20% down, 7% rate. Monthly rent $2,000. Mortgage $1,451. Property tax $375. Insurance $210. Maintenance $200. Vacancy $120. Management $200. Cash flow: $2,000 - $2,556 = -$556/month. What's good

Formula. Monthly rent minus all expenses (mortgage, taxes, insurance, maintenance, vacancy, management) = monthly cash flow.

Example. Orlando single-family in Avalon Park: $325,000 purchase, 20% down, 7% rate. Monthly rent $2,000. Mortgage $1,451. Property tax $375. Insurance $210. Maintenance $200. Vacancy $120. Management $200. Cash flow: $2,000 - $2,556 = -$556/month.

What's good or bad? At today's rates, many Florida single-family homes don't cash flow on day one with a manager. That's okay if you're betting on appreciation and mortgage paydown. For positive cash flow, look at multi-unit properties or lower-priced markets.

Cap Rate: Return on Investment

In Florida, Formula. (Net Operating Income / Property Value) x 100. NOI = rent minus operating expenses (no mortgage). Example. Same Orlando property. Gross rent $24,000/year. Minus taxes $4,500, insurance $2,520, maintenance $2,400, vacancy $1,440 = NOI $13,140. Cap rate: $13,140 / $325,000 = 4.04%. What's good or bad? Orlando residential cap rates run 4-6%.

Formula. (Net Operating Income / Property Value) x 100. NOI = rent minus operating expenses (no mortgage).

Example. Same Orlando property. Gross rent $24,000/year. Minus taxes $4,500, insurance $2,520, maintenance $2,400, vacancy $1,440 = NOI $13,140. Cap rate: $13,140 / $325,000 = 4.04%.

What's good or bad? Orlando residential cap rates run 4-6%. Below 4% means you're paying a premium. Above 6% often signals deferred maintenance.

Cash-on-Cash Return: Your Money's Yield

Formula. (Annual cash flow / Total cash invested) x 100. For positive cash flow deals, 6-10% cash-on-cash is solid. Above 10% is strong. Below 4% is thin. The 1% Rule: Quick Screening In Florida, The 1% rule says monthly rent should be at least 1% of purchase price. A $200K property should rent for $2,000+.

Formula. (Annual cash flow / Total cash invested) x 100.

For positive cash flow deals, 6-10% cash-on-cash is solid. Above 10% is strong. Below 4% is thin.

The 1% Rule: Quick Screening

The 1% rule says monthly rent should be at least 1% of purchase price. A $200K property should rent for $2,000+. It's a quick screen -- many Orlando and Tampa deals fail it. Use it to filter, not to buy. Monthly rent should be at least 1% of total purchase price. In Orlando and Tampa, 0.5-0.7% is common for single-family. Use it as a filter, not a verdict.

Tampa Example: Duplex

In Florida, Tampa example: a $275K duplex renting for $2,400 total ($1,200/unit) passes the 1% rule. At 20% down, that's $55K. Factor in taxes, insurance, and maintenance -- the real test is cash flow. $380,000 duplex in Brandon. Unit 1: $1,650. Unit 2: $1,550. Total $3,200/month. Cap rate: 7.6% -- strong for Tampa. 3 Analysis

Tampa example: a $275K duplex renting for $2,400 total ($1,200/unit) passes the 1% rule. At 20% down, that's $55K. Factor in taxes, insurance, and maintenance -- the real test is cash flow.

$380,000 duplex in Brandon. Unit 1: $1,650. Unit 2: $1,550. Total $3,200/month. Cap rate: 7.6% -- strong for Tampa.

3 Analysis Mistakes to Avoid

1. Using optimistic rent. Verify with comps from Zillow, Rentometer, or a local PM.

2. Ignoring Florida-specific costs. Insurance and property taxes are higher in Florida. See our hidden costs guide.

3. Skipping expense categories. Vacancy, maintenance, and management add up.

Next Step: Validate Before You Buy

In Florida, Validate with comps before you make an offer. Pull recent leases and listings in the same Orlando or Tampa submarket. The 1% rule is a starting point; real data wins. Our first rental property guide covers the full buying process. For property tax specifics, see our property tax guide . A first rental property guide covers the full buying process. For property tax specifics, see our property tax guide. A free rental analysis gives you market rent for your specific property.

The Four Metrics That Matter

Four metrics that matter: cap rate, cash-on-cash, rent-to-price, and expense ratio. Florida expense ratios run 45-55% including reserves. Orlando and Tampa are no exception. Cash-on-cash return: your yield on money invested. Cap rate: NOI divided by price. Rent-to-value ratio: annual rent divided by purchase price (1% is a rough target). Debt service coverage: NOI divided

Four metrics that matter: cap rate, cash-on-cash, rent-to-price, and expense ratio. Florida expense ratios run 45-55% including reserves. Orlando and Tampa are no exception.

Cash-on-cash return: your yield on money invested. Cap rate: NOI divided by price. Rent-to-value ratio: annual rent divided by purchase price (1% is a rough target). Debt service coverage: NOI divided by mortgage payment (lenders want 1.2–1.35x). Run all four. A deal that passes one but fails another may still work—or may hide a flaw. See our cap rate vs. cash-on-cash guide.

Florida Expense Ratios

Florida landlords should budget 45-55% of gross rent for expenses. That's taxes, insurance, maintenance, vacancy, and management. Insurance alone can hit 2-3% of value in coastal zones. Expect 45–55% of gross income to go to expenses: taxes, insurance, maintenance, management, vacancy, cap ex. Insurance runs higher in Florida than the national average. Budget 1.5–2.5% of

Florida landlords should budget 45-55% of gross rent for expenses. That's taxes, insurance, maintenance, vacancy, and management. Insurance alone can hit 2-3% of value in coastal zones.

Expect 45–55% of gross income to go to expenses: taxes, insurance, maintenance, management, vacancy, cap ex. Insurance runs higher in Florida than the national average. Budget 1.5–2.5% of value for insurance. Use actual numbers from the county appraiser and recent insurance quotes. Generic rules of thumb understate Florida costs. For hidden costs, see our guide.

Red Flags in Deal Analysis

In Florida, Red flags: deferred maintenance, bad comps, HOA rental caps, or flood zone surprises. Run title, pull flood maps, and read the HOA docs. Orlando and Tampa have plenty of good deals -- and plenty of traps. Seller-provided numbers with no backup. Rent above Zillow/Realtor.com comps. Expense ratio under 40%. No cap ex reserve.

Red flags: deferred maintenance, bad comps, HOA rental caps, or flood zone surprises. Run title, pull flood maps, and read the HOA docs. Orlando and Tampa have plenty of good deals -- and plenty of traps.

Seller-provided numbers with no backup. Rent above Zillow/Realtor.com comps. Expense ratio under 40%. No cap ex reserve. "Value-add" that requires $50k with no rent increase justification. Walk away from deals that don't pencil with conservative assumptions. For a free rental analysis on a property you own, we'll run the numbers.

Bottom line: run all four metrics—cap rate, cash-on-cash, rent-to-value, and DSCR. Florida expense ratios run 45–55%. Insurance costs more here. Use actual numbers, not rules of thumb. Red flags: seller numbers with no backup, expense ratio under 40%, no cap ex reserve. Walk away from deals that don't pencil.

Common Mistakes to Avoid

One of the biggest mistakes we see: skipping the written notice. Florida law is strict about documentation. If you don't have a paper trail—or email trail that meets SB 716's requirements—you can lose an eviction or deposit dispute. Document everything. Another mistake: underbudgeting for turnover. A typical Florida turnover runs $1,500–$3,000 when you include paint,

One of the biggest mistakes we see: skipping the written notice. Florida law is strict about documentation. If you don't have a paper trail—or email trail that meets SB 716's requirements—you can lose an eviction or deposit dispute. Document everything.

Another mistake: underbudgeting for turnover. A typical Florida turnover runs $1,500–$3,000 when you include paint, carpet, cleaning, and minor repairs. If you're only setting aside 5% of rent for maintenance, you're short. Plan for 8–12% in year one until you know your property.

Third: treating every tenant the same. A military family near MacDill has different needs than a UCF grad student. Screen for fit, not just credit score. The right tenant in the right property stays longer and costs you less.

Florida-Specific Considerations

Florida Statute 83 applies to residential tenancies. Know the notice requirements: 3 days for non-payment (soon 5 under SB 716), 7 days for cure or vacate for lease violations, 15 days for month-to-month termination. Wrong notice = delayed eviction.

Insurance is another Florida reality. Wind and flood can double your premium in certain zones. Run quotes before you buy. A $200/month insurance difference changes your cash flow by $2,400/year.

Finally, property taxes. Homestead doesn't apply to rentals. You'll pay non-homestead rates. In Florida County, that's typically 1.2–1.5% of assessed value. Appeal if your assessment seems high—many landlords overpay.

When to Get Help

If you're out of state, hire a local property manager. The 8–10% fee pays for itself in faster leasing, better screening, and someone who can show up when the AC dies at 10 PM. Self-managing from another state is a recipe for deferred maintenance and tenant frustration.

For legal issues—evictions, deposit disputes, lease breaks—consult a Florida-licensed attorney. Landlord-tenant law has traps. A $500 consult can save you $5,000 in a botched eviction. We've seen it.

Finally, for complex financial decisions—1031 exchanges, LLC structuring, depreciation—talk to a CPA who works with rental owners. The tax code rewards those who plan. Don't wing it.

When to Get Help

If you're out of state, hire a local property manager. The 8–10% fee pays for itself in faster leasing, better screening, and someone who can show up when the AC dies at 10 PM. Self-managing from another state is a recipe for deferred maintenance and tenant frustration.

For legal issues—evictions, deposit disputes, lease breaks—consult a Florida-licensed attorney. Landlord-tenant law has traps. A $500 consult can save you $5,000 in a botched eviction. We've seen it.

Finally, for complex financial decisions—1031 exchanges, LLC structuring, depreciation—talk to a CPA who works with rental owners. The tax code rewards those who plan. Don't wing it.

When to Get Help

If you're out of state, hire a local property manager. The 8–10% fee pays for itself in faster leasing, better screening, and someone who can show up when the AC dies at 10 PM. Self-managing from another state is a recipe for deferred maintenance and tenant frustration.

For legal issues—evictions, deposit disputes, lease breaks—consult a Florida-licensed attorney. Landlord-tenant law has traps. A $500 consult can save you $5,000 in a botched eviction. We've seen it.

Finally, for complex financial decisions—1031 exchanges, LLC structuring, depreciation—talk to a CPA who works with rental owners. The tax code rewards those who plan. Don't wing it.

Create a simple spreadsheet. Input purchase price, rent, and expenses. Run scenarios: 5% vacancy, 8% vacancy, 10% vacancy. Add a maintenance reserve. If the deal still works at 8% vacancy and 50% expense ratio, it's solid. If it dies at 6% vacancy, walk away.

Share your analysis with a mentor or experienced investor before you offer. A second set of eyes catches what you miss. "What am I not seeing?" is a powerful question. The best investors run deals past others. One avoided mistake pays for a lifetime of advice.

If you own a rental in Orlando or Tampa and want a clear picture of what it could earn, get a free rental analysis. No obligation—just real numbers.