The Sentinel analysis of 3,400 local sales records from January 2012 through April 2013 shows sellers getting a median price “50 percent more than what they paid for the house less than six months earlier.” A review of 30 flips by a single seller shows a median buy price of $41,178 and resale price of $74,000 — after accounting for repairs and renovations. […] The biggest buyer of flipped homes in the four-county Orlando metropolitan area has been an investment group affiliated with Blackstone Group LP, a publicly traded company that is one of the world’s largest private equity firms. […] Having Blackstone and other well-financed groups swooping through housing markets such as Orlando’s worries some experts.” See the full story.