Summers are traditionally a great time to buy or sell a house. For many of us, it's the biggest purchase of our lives. WTOL reported that the median existing home prices in this country climbed to $252,800 in May. That's a peak. John Mangas who is a Broker/owner of Re/Max Preferred associates, the largest re/max agency in the region, knows the local real estate market very well. He explains why there are more houses selling, but not more people are listing.