A Baltimore sign sits near the tracks of Pennsylvania Station in Baltimore, Maryland, U.S., on Wednesday, Aug. 26, 2015. Home flippers turned a quick and tidy profit on their real estate investments in Baltimore, Central Florida, and Detroit last quarter, according to a July report by RealtyTrac. Baltimore topped the list among metropolitan statistical areas with at least 50 completed single-family home flips in the first three months of the year. Photographer: Andrew Harrer/Bloomberg via Getty Images