House-flip purchase financing totaled $16.1 billion in 2017, up 27 percent from $12.7 billion in 2016 – its highest dollar volume in a decade, according to ATTOM Data Solutions’ fourth quarter and yearend home-flipping report. The report showed 207,088 single-family houses and condominiums were flipped last year, a 1 percent increase year-over-year. It was the highest total of homes flipped since 2006. The flipped houses represented 5.9 percent of all single-family homes and ...