Homes sold without the help of a real estate professional dropped to a record low over the past year. According to the 2010 NAR Profile of Home Buyers and Sellers, unrepresented sellers made up only 11 percent of the market, down from 13 percent in 2009.Owners who sell their home without the help of an agent usually sell to someone they already know. Factoring out those private sales, the actual number of homes sold on the open mark read more