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Nearly 54,000 houses were flipped during the second quarter of 2017, with investors making an average profit of $67,516 per property and 48.4% return on investment, according to Attom Data Solutions.

Investment returns on flipped houses have declined nationwide for three straight quarters. But some cities still have a robust flipping market, while others are worth avoiding.

Here's a look at the five best and five worst cities for house flipping investment returns during 2Q17.