Know if a rental is worth buying in under 60 seconds
Cash flow, cap rate, cash-on-cash, DSCR, and BRRRR — every number a seasoned investor runs, the moment you type an address. No spreadsheets, no sign-up to start.
Ask any scenario
Describe a deal — get the math, in plain English
2 free scenario runs · No credit card required

Monthly cash flow
+$2,119Grade A
How it works
From listing to decision in three steps
No spreadsheets, no formulas to memorize. Just answers.
Enter the numbers
Type in the address, price, and rent — or pull live tax, value, and rent-comp data automatically.
See metrics update live
Cash flow, cap rate, cash-on-cash, and DSCR recalculate instantly as you change any input.
Decide with confidence
Get a graded verdict on the deal, then save it to your portfolio to compare against the rest.

Built for investors who move fast
Turn a listing into a decision before someone else makes an offer
Every metric, the moment you type
Cash flow, cap rate, cash-on-cash, and DSCR recalculate live — no formulas to remember, no tabs to wire up.
Real data, not guesses
Pull live property tax, assessed value, and rent comps so you can underwrite a listing from just an address.
A grade you can trust
Every deal gets one honest letter grade that ties the whole picture together — buy, pass, or dig deeper.
Every metric that matters
The full underwriting picture, instantly
The same numbers a seasoned investor runs — without the spreadsheet.
Cash flow
How much money you keep each month after expenses and mortgage.
Cap rate
Annual profit on your investment — the percentage your property makes.
Cash-on-cash
Your annual return on the actual money you put down.
DSCR
Your income compared to the mortgage — whether lenders will fund it.
BRRRR
Buy, repair, rent, refinance strategy — how much cash returns.
Short-term rental
Airbnb vs. traditional rent — which pays more monthly.
1% rule & GRM
Quick financial screens — does this deal make sense?
Deal grade
A-F rating that tells you if it's worth pursuing.
BRRRR & value-add
Model the whole buy-rehab-rent-refinance cycle
Enter the purchase, rehab budget, after-repair value, and refi terms — Investaar shows your cash left in the deal, the new cash flow, and whether the numbers actually work.
Run a BRRRR scenario
Why investors switch
Spreadsheets and all-in-one suites, beaten on speed
Investaar does one thing — tell you if a rental is worth buying — and does it faster. Try it free with 2 AI scenario runs, no sign-up.
| Feature | Spreadsheets | All-in-one suites | Investaar |
|---|---|---|---|
| Time to first answer | Hours | ~15 min | Under 60 sec |
| Free to try | Yes | No | 2 free AI runs |
| Metrics update live as you type | No | Partial | Yes |
| Automatic deal grade | No | No | Yes |
| BRRRR & short-term rental built in | No | Yes | Yes |
| Pulls live tax & rent-comp data | No | Partial | Yes |
| Learning curve | Steep | Medium | None |
Built with trust
Your data is safe
Built by a solo founder who understands your business. Transparent, secure, and focused on getting you answers fast.
Encrypted & Private
Your property data and financial information are encrypted in transit and at rest. We never sell or share your information.
You Control Your Data
Save only what you want. Delete your account anytime and all your data is permanently removed.
Built for Professionals
Estimates only — not financial advice. Always verify numbers with a CPA or lender before deciding.
Questions about your data or privacy?
Popular questions
Everything you need to know
Still curious? Just start analyzing a deal — it's free.
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Run the numbers on any rental in under a minute — free, no sign-up required to start.
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