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Investors
Run the numbers on any rental — cap rate, cash-on-cash return, monthly cash flow, and the 1% rule.
Purchase & Financing
Income & Expenses
Cap Rate
5.88%
NOI ÷ price
Cash-on-Cash
-0.37%
annual CF ÷ cash in
Monthly Cash Flow
-$35
after all costs
Cash Invested
$112,000
down + closing
Annual Cash Flow
Quick Checks
1% Rule ✗ Below
Rent of $3,200 vs. 1% target of $4,000/mo.
Gross Rent Multiplier
10.4× — lower is generally better.
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Our team specializes in investment properties across South Florida's 8 counties.
Find Investment PropertiesEstimates for educational purposes only. Actual returns depend on financing, market conditions, and operating costs. Not investment or tax advice.
This tool measures a rental four ways. Cap rate = net operating income / purchase price, where NOI is annual rent minus operating expenses (not the mortgage). Cash-on-cash = annual pre-tax cash flow / total cash invested. It also shows monthly cash flow and the 1% rule, which asks whether monthly rent is at least 1% of the price.
A $400,000 property renting for $3,200 a month brings $38,400 a year. Subtract $12,800 in taxes, insurance, and upkeep for a $25,600 NOI, a 6.4% cap rate. The 1% rule wants $4,000 a month, so $3,200 falls short, a common gap in South Florida's price-to-rent market.
Cap rate and cash-on-cash let you compare a Broward duplex against a St. Lucie single-family on equal footing, before insurance and HOA dues erode returns. South Florida rents rarely clear the 1% rule, so investors here lean on appreciation and careful expense math rather than assuming a listing cash-flows on day one.