High housing prices also mean a high selling price for you too and taxes being percentage based means there’s never a scenario where you wind up with less money than you would from selling a smaller, cheaper house because regardless of where you are, bigger houses sell for a lot more than smaller houses. The only scenario where this makes sense is if you sold a large home in a place like rural Oklahoma and moved to a shoebox in San Francisco, but that’s not what’s being described in the article.