liebman says low prices are luring in buyers, especially at the high end. >> they feel like the market has bottomed out, and that now is the prime time great opportunity to get the most you can for your money. these homes, in 2007 or the beginning of '08, at the height of the market, were 30% higher. >> reporter: but other industry experts believe the spring selling season will be disappointing. residential home sales fell 3% in the first quarter, the biggest decline since the darkest days of the housing recession in 2008. yes, interest rates are still at historic lows, and housing affordability is at a 20-year high. but economist eric green says there's good reason for buyers to wait. >> confidence in the housing market is still very weak because housing prices continue to drift lower. so, when you are buying a house on a price-adjusted basis, you can make the case that housing is still actually expensive because what you are buying is an asset that most likely going to continue to depreciate slightly. >> reporter: plus, many homeowners who want to move can't because their mortgages a