Investment Tool

Multi-Unit Cash Flow Calculator

Add every unit on your property — rooms, ADUs, garage conversions — and see your real monthly cash flow.

Rental units

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Monthly expenses

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Results

Gross rent

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Total expenses

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Monthly cash flow

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Income —

Income breakdown

Cash flow projection

Monthly

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Annual

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5-year total

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Pro tip: This calculator uses gross rent minus vacancy to get effective income. Always budget for at least 5% vacancy even in high-demand areas — turnover happens. The USC-area house worked because demand was constant and units were clean. Location + condition = low vacancy.