Prorai8 ROI Calculator

Estimate returns from the Double-8 strategy: stable long-term leases + high-yield mid-term stays, with an auto-shift model based on demand.

Pro-rata math

Auto shift: Zip ↔ Air

Real cashflow

Inputs

Long-term (Zip)

Mid-term (Air)

Auto (Double-8)

Auto (Double-8) blends Long-term + Mid-term based on “demand share”. Adjust the demand slider to simulate how often Prorai8 flips the unit.

Purchase price ($)

Down payment (%)

Interest rate (APR %)

Loan term (years)

Property tax (monthly $)

Insurance (monthly $)

HOA (monthly $)

Maintenance reserve (% of revenue)

Long-term rent (monthly $)

Long-term vacancy (% of month)

Mid-term avg nightly rate ($)

Mid-term occupancy (%)

Mid-term ops (cleaning/utilities/platform) (% of revenue)

Management fee (% of revenue)

Auto shift: Mid-term demand share (%)

0% = all Long-term • 100% = all Mid-term • This controls blended revenue & cost structure.

Long-term share: 45%

Mid-term share: 55%

Notes: This is an estimate. Real performance depends on local demand, seasonality, property condition, and financing.

Monthly cashflow (after all costs)

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Annual net profit

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Cash-on-cash ROI

Based on down payment only (closing costs not included).

Payback period

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Years to recover down payment from net cashflow.

Line item	Monthly
Gross revenue	$0
Operating costs (mid-term ops + maintenance + management)	$0
Fixed costs (tax + insurance + HOA)	$0
Mortgage (P&I)	$0
Net cashflow	$0