🏡 REI Calc
Single-family rental underwriting · v1.1
Property
Purchase Price
Monthly Rent
Financing
Down Payment
%
Interest Rate
%
Loan Term
yrs
Property Taxes
$/yr
HOA
$/mo
Override mortgage $
↳ manual $/mo
Operating Expenses (% of rent)
Property Mgmt
%
Repairs
%
Cap Ex
%
Vacancy
%
Fixed Expenses ($/mo)
Insurance
Gutter / Bush trim
Water
Projection
Hold Period
yrs
Listing Details (Redfin)
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Beds
Baths
Sq Ft
Year Built
Lot Size
sqft
Property Type
# Units
Price / sq ft
Cash Flow / mo
Cash Flow / yr
Cash-on-Cash ROI
Cash Invested
Expense Breakdown
Item
Monthly
Annual
4 years
Amortization — Value vs. Loan Balance (LTV)
hover for any year
ARV
after-repair value $
Appreciation rate
%/yr
Buy · Rehab · Stabilize Costs
Down Payment
Total Cash Invested
ROI basis
excl. reserves (Stabilizing group)
"Fake" Metrics
Fake Cashflow
rent − (mtg + tax + HOA + PM + ins + water)
Fake ROI
Fake Cashflow No Debt
rent − tax − HOA − PM − ins − water
Future Value of Money
Starting amount
Annual return
%
Monthly add
$
Years
Total contributed
Growth (interest)
Future Value
Deal Notes
Saved Deals
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