REI Toolkit
Fix & Flip Calculator
Flip deal analyzer

Will this flip
actually make money?

Enter the ARV, purchase, rehab, financing, and sale numbers to see your 70% rule max offer, net profit, and ROI after every cost.

4 steps
Buy · Rehab · Hold · Sell
70% rule
Built in
Instant
No signup
Purchase
Step 1 of 4
$
What it sells for, fully renovated.
$
What you pay to buy it.
$
Closing costs when buying.
Rehab & timeline
Step 2 of 4
$
Total renovation cost.
mo
Months from buy to sale.
Financing
Step 3 of 4
$
Hard-money / acquisition loan.
%
Annual loan rate.
%
Origination points.
$
Utilities, insurance, taxes.
Sale
Step 4 of 4
%
Percent of sale price.
$
Closing costs when selling.
Flip summary
Net profit
70% rule max offer
Your offer vs. max
All-in costs
Acquisition
Rehab
Financing
Holding
Selling
Total project cost
Returns
ROI
Annualized ROI
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Transparent math

How the formulas work

① 70% rule max offer
ARV × 0.70 − Rehab

The classic ceiling on what to pay.

② Financing cost
Points + (Rate/12 × Loan × Months)

Cost of the money during the hold.

③ Selling cost
ARV × Commission% + Sell closing

What it costs to sell at the end.

④ Total cost
Acq + Rehab + Financing + Holding + Selling

Every dollar in before the sale.

⑤ Net profit
ARV − Total cost

Your take-home on the flip.

⑥ Annualized ROI
ROI × (12 / Months)

Return scaled to a full year.

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