Nothing meaningful looks likely, and history says the core guidelines hold up even in ugly markets. VA guidelines are time-tested and tend to stay put regardless of the market, so we would expect little change there. On the conventional and FHA side, the bigger lever lives inside the automated underwriting engines, where investors and lenders can tighten approval criteria without announcing a rule change. That kind of adjustment happens quietly, with no press release. Even in the worst of the 2008 downturn, the core Fannie Mae, Freddie Mac, FHA, and VA guidelines stayed largely intact. What did appear was a market-conditions addendum on appraisals: the appraiser flagged whether local prices were rising, stable, or falling, and lenders sometimes required a lower loan-to-value in clearly declining markets. If a specific area ever shows sharp price drops, with homes closing well below list, that appraisal mechanism is the tool most likely to come back. None of this is a prediction of a credit crunch. These are simply the levers worth watching.