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
See what's inside →
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
See what's inside →

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
See inside →
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
See inside →
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
See inside →
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
See inside →
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
See inside →
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 →