1 Ask for the best broker. "Often the worst thing you can do is walk into a real estate office and go with whatever agent comes out to greet you," says Barbara Corcoran, star of ABC's Shark Tank and founder of The Corcoran Group. "Chances are, it's going to be a newbie." Instead, call the sales manager ahead of time and ask him to recommend his best person. Here's why it works: "Every sales manager is compensated based on how much his agents sell." Photo by: Corbis