Capital Stack Buy package BRRRR calculator DSCR underwriting tool and email deal review

Capital$tack | Buy (Package): Tool + 1 Email Deal Review

$419

Capital$tack | Buy (Package) includes everything you need to underwrite deals like a lender before you make an offer.
If you’re tired of “guru math”… this is bank math.

This package includes:

  • Capital$tack | Buy (Personal License) (Google Sheets)
  • 1 Email Deal Review (lender-style underwriting check)
It’s a deal-underwriting app wearing Google Sheets clothing. 🧠📊
✅ Get the Tool + Review Package What’s included ↓
We do lender math, not magic. Want the weekly cheat codes?

Free Deal Math Drops
1–2 emails/week. Underwriting tips, negotiation levers, lender rules. No spam.

Tool + Second Opinion

Get the spreadsheet plus a lender-style email underwriting check on one deal.

Max Offer + DSCR Math

Negotiation-ready Max Offer logic with DSCR + PITIA lender-style outputs.

Fast Screens + Deep Underwrite

Filter Mode for speed, then full bank math when a deal deserves deeper underwriting.

How delivery works: Checkout → instantly create your private Google Sheets copy → follow the Content page steps for your included Email Deal Review.
Disclaimer: We do lender math, not magic. This tool doesn’t guarantee approvals or profits. It helps you underwrite conservatively based on the numbers you enter.

What this tool does (in one sheet)

Works as a BRRRR calculator, Max Offer calculator, DSCR calculator, and cashflow underwriting sheet in one.

This tool helps you quickly answer the only question that matters: Does this deal breathe… or does it die the moment a lender sees it?

  • BRRRR deal math in one place (Buy • Rehab • Rent • Refi • Repeat)
  • Max Offer + Suggested Opening Offer guidance
  • DSCR + NOI + PITIA lender-style outputs
  • Verdict + Primary Concern decision outputs
  • Deal Filter Mode for fast screening

What it helps you underwrite (like a lender)

  • Rent modeling (Market Rent + Underwritten Rent)
  • PITIA + cashflow modeling (post-refi)
  • NOI + DSCR outputs (lender-aligned)
  • Max Offer logic (negotiation-ready)
  • Suggested Opening Offer guidance
  • Primary Concern + verdict-style decision outputs
  • Deal Filter Mode for fast screening
How delivery works
No waiting. No “request access.” Instant copy + clear steps.
1

Checkout on Gumroad

Secure checkout delivers everything instantly.

2

Create your private copy

Your link instantly creates your Google Sheets copy.

3

Submit your deal review

Follow the Content page steps to send your deal for the included Email Deal Review.

FAQ
Is the Package license personal or shareable?

Package includes Personal License (1 user / 1 seat). Not for redistribution, resale, or public sharing.

Do I get a deal review included?

Yes. This package includes 1 Email Deal Review as a lender-style underwriting check.

Does this guarantee approvals or profits?

No. We do lender math, not magic. This tool doesn’t guarantee approvals or profits. It helps you underwrite conservatively based on the numbers you enter.

License (Package)

✅ Package includes Personal License (1 user / 1 seat)
❌ Not for redistribution, resale, or public sharing.

✅ Get the Tool + Review Package
✅ Get the Tool + Review Package Back to what it does ↑
Disclaimer: We do lender math, not magic. This tool doesn’t guarantee approvals or profits. It helps you underwrite conservatively based on the numbers you enter.