After a few years of flying high, home prices are finally coming back down to earth with a thud. In fact, the prospect of an outright price drop is looming on the horizon, according to a new Realtor.com report. In March, real estate listing prices came in nationwide at a median of $424,000, down from June’s all-time record high of $449,000. And while this March’s prices are 6.3% higher than in...