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Underwriting for real estate investors.

Practical guides on comps, ARV, MAO, and deal analysis for flippers, wholesalers, and BRRRR investors.

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Comps & ARV··6 min read

How to Calculate ARV (After Repair Value) Without Guessing

A step-by-step method for pulling ARV from sold comps, adjusting for differences, and defending the number to a lender or cash buyer.

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Strategies··6 min read

How to Wholesale a House: A Practical Step-by-Step Guide

Wholesaling is finding undervalued properties, getting them under contract, and assigning that contract to a cash buyer for a fee. The whole chain depends on one number: ARV.

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Using Underwritey··5 min read

Real Estate Deal Analyzer: Spreadsheet vs. Software in 2026

Most investors start with a spreadsheet. Most experienced investors wish they had switched to purpose-built software sooner. Here is what actually changes when you do.

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Strategies··6 min read

Fix and Flip Deal Analysis: A Walk-Through from First Call to Final Offer

A step-by-step deal analysis walk-through using a real $250,000 ARV example — from the first phone call with a seller to writing the offer.

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Offers & MAO··5 min read

Holding Costs in Real Estate: The Hidden Number That Shrinks Your Flip Profits

On a 6-month flip, holding costs often exceed $10,000. Most investors underestimate them or forget them entirely. Here is every line item and how to build them into your offer.

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Comps & ARV··6 min read

How to Comp a House: The Method Real Estate Investors Actually Use

Comping a house means answering one question: what would this property sell for if it were fixed up and listed today? Here is the exact process, including what to do when comps are scarce.

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Offers & MAO··4 min read

The 70% Rule in Real Estate: When It Works and When It Doesn't

The classic flipper formula, a worked example, and why you should adjust the percentage by market, timeline, and deal type.

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Comps & ARV··5 min read

How to Find Comps for a House: An Investor's Checklist

Location, recency, and fit — in that order. A checklist and sourcing guide you can apply to every property.

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Strategies··5 min read

5 Comp Mistakes That Kill Wholesale Deals (And Your Reputation)

Cash buyers re-run your numbers. An inflated ARV doesn't just kill one deal — it gets you stopped getting calls returned. Here is what to fix.

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Strategies··5 min read

Underwriting a BRRRR Deal: ARV, Cash Flow, and the Refinance Math

BRRRR only works if the refinance appraisal agrees with your ARV estimate. How to underwrite for the lender's appraiser, not your hopes.

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Offers & MAO··4 min read

Maximum Allowable Offer (MAO): The Formula and the Inputs That Matter

MAO is simple math. Getting ARV and repair estimate right is the actual challenge. Here's the complete formula, worked examples, and the variables most investors forget.

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Using Underwritey··4 min read

How Underwritey Picks Comps (and Why You Can Remove Any of Them)

Location and recency come first, property fit second. Here's the ranking logic, why it works, and why the underwriter always has the final say.

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