Deal Analyzer

Underworld Deal System™ Analyzer – Lite Edition

A streamlined version of The Don’s proprietary deal analyzer so you can pressure-test spreads, repairs, and profit in minutes — before you waste time chasing a fugazi deal.

How to use this lite version

  • Enter your subject property details and repair numbers.
  • Plug in buying / holding costs and your target assignment spread.
  • Let the system crunch MAO, profit, and risk so you know where to land.

Ready for the full Wiseguy treatment — Traffic Lights, Wiseguy’s Window™, creative finance breakdowns and more? Step up to the Consigliere Edition.

See the Full System

The Don’s Lite Deal Analyzer

This widget below uses a simple 70% rule to estimate Maximum Allowable Offer, Don’s Offer, ROI, and deal grade. Quick, simple, and deadly honest.

Underworld Deal System Negotiator – Free Lite Version

Users acknowledge that: All numbers generated by the calculator, including ARV, MAO, ROI, cap rates, rent-to-price ratios, and other financial metrics, are approximate estimates and should be verified independently. This calculator/negotiation tool does not replace traditional due diligence, such as property inspections, professional appraisals, title searches, market research, or financial assessments. The accuracy of results may vary based on changing market conditions, property-specific factors, and incomplete or inaccurate data inputs. Users should consult licensed real estate professionals, financial advisors, or attorneys before making any investment decisions. The creators of this calculator assume no responsibility or liability for any financial decisions made based on its results. By using this tool, users acknowledge that they are responsible for conducting their own research, confirming data accuracy, and making informed investment choices.