Still, Schiff remains wary. He argues that many owners are staying put only because they locked in ultra-low mortgage rates, limiting the number of homes for sale.Today’s market is different. Lending standards are tighter than during the subprime era, making widespread negative equity less common. Supply constraints are also a factor: Zillow estimates the U.S. is short roughly 4.7 million homes, a gap that has helped keep prices elevated [4].The scenario sounds familiar. During the 2008 bust, many underwate ...