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The Mortgage Mechanic Blog

Market analysis, housing affordability research, and insights from 35 years in the mortgage industry.

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SHAM Model14 min read

February 2026

Why I Built SHAM: 35 Years of Watching Buyers Decide

The origin story of the Seattle Housing Affordability Model — born from watching Option ARM resets devastate families, and 35 years of observing how buyers actually make purchasing decisions. I'm not asking anyone to trust me. I'm asking them to look at the data.

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Market AnalysisSHAM ModelAI & TechnologyFirst-Time BuyersWashington State

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