Welcome to the Family
The Don, Welcomes You to the Underworld Deal System Negotiator™
Making Offers They Can't Refuse... One Property at a Time.
Admin Dashboard
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🧠 Comps
After Repair Value (ARV)
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Maximum Allowable Offer (MAO)
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The Don's Offer™
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Final Price (Agreed Purchase Price)
ROI (Return on Investment)
0%
Buyer Profit Spread
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🚪 Exit Strategies
Cash Purchase Strategy
Ideal for quick closings and maximum negotiation power.
Seller Finance Strategy
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Hard Money Financing
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Subject-To Financing
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Lease Option Strategy
💰 Financing Comparison
| Strategy | Initial Investment | Monthly Payment | Total Cost | ROI (%) |
|---|---|---|---|---|
| Cash | $0 | $0 | $0 | 0% |
| Seller Finance | $0 | $0 | $0 | 0% |
| Hard Money | $0 | $0 | $0 | 0% |
The Compfather's
Playbook
- Stick within ±200 square feet. You comp a shack to a mansion? You're gonna get whacked --- financially.
- ±2,500 sq. ft. lot size. Too much land? It's a farm. Too little? Fuggedaboutit --- it's a shed on a pizza box.
- Match beds and baths. No exceptions. A 2-bed ain't gonna stand in for a 4-bed, capisce?
- Keep it in the family --- brick to brick, frame to frame. Style matters in this busi-ness.
- Don't cross highways, rivers, railroads, or hop into a new subdivision. That's foreign turf.
- Stay within a ½ to 1-mile radius. That's walking distance... or a quick getaway.
- No more than ±5 years from the subject's build year. You comp 1940 to 1990? The Don's not pleased.
- If you're planning reno, use fixer comps. If it's turnkey? Match it with finished gems.
- Compare apples to apples... not manicotti to cannoli.
- We love them both...But, they're NOT the same.
- And hey --- if you wouldn't buy it as your getaway car, don't comp it to your crew's ride.
© 2025 CJJV Real Estate Investing, LLC, The Real Estate Don® and The Underworld Deal System Negotiator™. All Rights Reserved.
Disclaimer
The Underworld Deal System Negotiator™ is designed as an informational tool to help users estimate potential property offers based on industry-standard formulas and market trends. The calculations provided by this tool are estimates only and should not be considered as professional financial, investment, or legal advice.
Users acknowledge that:
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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.
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This calculator/negotiation tool does not replace traditional due diligence, such as property inspections, professional appraisals, title searches, market research, or financial assessments.
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The accuracy of results may vary based on changing market conditions, property-specific factors, and incomplete or inaccurate data inputs.
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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.