If you've locked in a mortgage at 3%, moving can create a large increase in your housing cost that spans decades. Since layoffs, mergers, bankruptcies, etc are

If you've locked in a mortgage at 3%, moving can create a large increase in your housing cost that spans decades. Since layoffs, mergers, bankruptcies, etc are common, it's unlikely the job you moved for will come anywhere near outlasting your mortgage, so you still end up paying a higher housing price long after the job that instigated that cost increase is gone.