House flippers, individuals who buy and sell a home within a 6 month time, have become more active now that the housing market is making a comeback. According to the National Association of Realtors, home values have increased by 11.6% year-over-year while housing inventory has reached levels not seen in approximately 8 years. The amount of active house-flippers rose for the second year in a row. However, house flippers are warier since the 2006-2011 housing crash; many flippers are now putting a larger amount of money down and making selective and financially smart renovations. More here