More existing homes will go up for sale, as price hikes pull homeowners out from mortgages that are underwater, making them more willing to sell. Sales will climb by 4 percent, but inventory won’t be as tight.

More existing homes will go up for sale, as price hikes pull homeowners out from mortgages that are underwater, making them more willing to sell. Sales will climb by 4 percent, but inventory won’t be as tight.