"Wake up and smell the coffee," writes Michael Corbett, Trulia's real estate expert and and host of NBC's "Extra's Mansions & Millionaires!" in his book Before you Buy! The Homebuyer's Handbook for Today's Market. He's talking about big chains such as Starbucks and Whole Foods. If you see them opening in a new neighborhood, it's a sign that the neighborhood is up-and-coming, and therefore a ...