Robert T. Szigeti

Real Estate Investor Tools & Calculators

The same spreadsheets I use to underwrite real deals, fix & flip, rentals, Airbnb, co-living, rehab budgets, and lender-ready scopes of work. Fill in a few cells and get an instant, color-coded answer. Works in Excel & Google Sheets.

Built from real-world investing experience
  • Fix & Flips
  • Subject-To Deals
  • Seller Financing
  • Long-Term Rentals
  • Short-Term Rentals
  • Co-Living
Start Here · Most Popular

Everything I use to analyze real deals

Every calculator, template, and worksheet, in one system.

Complete Investor Toolkit
Best value

Complete Investor Toolkit

The whole system: Deal Analyzer + Rehab Expense Calculator + Scope of Work. Analyze, budget, track, report.

$59Everything included
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All-In-One Deal Analyzer
Most popular

All-In-One Deal Analyzer

All four calculators + rehab estimator + property overview + the Scope of Work template, free.

$374 calculators + extras
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Not sure which to pick? Here's the difference at a glance.

Includes
Deal Analyzer$37
Best value Complete Toolkit$59
4 Calculators
Rehab Budget Tool
Scope of Work template
Fix & Flip Walkthrough Guide
Templates & bonuses

Both include the four core calculators. The Toolkit adds the Walkthrough Guide and bonus templates, the extra $22 is the cheapest part of the deal.

Individual Calculators

Or pick a single tool

Just need one? Every calculator is a complete, formula-driven workbook with a live dashboard, charts, and an instant GO / PASS verdict.

Fix & Flip Calculator
Flipping

Fix & Flip Calculator

Net profit, ROI & the highest price you can pay, in two minutes.

  • Profit, margin & cash-on-cash
  • Reverse max-offer solver
  • Hard-money + private / gap funding
  • Instant GO / PASS verdict
$8.99$12.99Launch sale
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Long-Term Rental Calculator
Buy & Hold

Long-Term Rental Calculator

Cash flow, cap rate & DSCR with a 5-year projection.

  • Monthly & annual cash flow
  • Cap rate, cash-on-cash, DSCR
  • 5-year projection built in
  • Instant GO / PASS verdict
$8.99$12.99Launch sale
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Short-Term / Airbnb Calculator
Short-Term

Airbnb / STR Calculator

Size up any short-term rental from ADR & occupancy.

  • Gross revenue & cash flow
  • Cash-on-cash & cap rate
  • All STR operating costs
  • Instant GO / PASS verdict
$8.99$12.99Launch sale
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Co-Living Calculator
Rent by Room

Co-Living Calculator

Per-room cash flow for shared housing & PadSplit.

  • Up to 10 rooms, weekly or monthly
  • Per-room cash flow
  • Cash-on-cash return
  • Instant GO / PASS verdict
$8.99$12.99Launch sale
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Rehab Expense Calculator
Renovation

Rehab Expense Calculator

Budget by area, track every receipt, prove it to your lender.

  • Itemized budget across 11 areas
  • Materials tracker (by card too)
  • Budget vs. actual by category
  • Donut + bar charts on every tab
$12.99$19.99Launch sale
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Scope of Work Template
Lender Ready

Scope of Work Template

The draw-format rehab budget hard-money lenders ask for.

  • Division-by-division budget
  • Built-in dropdowns + totals
  • One-click PDF export
  • Reusable on every deal
$4.99$7.99Launch sale
See inside →
🏚️

Built by an active investor

These are the real tools I use to underwrite deals, not theory.

📊

Excel & Google Sheets

Open in either. Just fill the highlighted cells, everything else is automatic.

Instant download

Get your file right after checkout and start analyzing today.

Good to know

Questions & answers

Do these work in Google Sheets?

Yes. Every tool works in Microsoft Excel and in Google Sheets, just open it or import it to your Google Drive.

How do I receive my file?

It's an instant digital download delivered at checkout, so you can start using it right away.

How do I use it?

Type your numbers into the highlighted (colored) cells. Totals, returns, charts, and the GO / PASS verdict update automatically, no formulas to build.

What's the license?

For your personal investing use. Please don't resell, share, or redistribute the files.

Are these financial advice?

No, they're planning and educational tools. Always verify your numbers with your own professionals before making an offer.

Stop guessing. Underwrite like an investor.

The same system I use on real fix & flips, creative-finance deals, and rentals, every tool in one download.

See the Complete Toolkit →