You may have read in The Wall Street Journal or elsewhere about the trend of investors buying up single-family homes. For Slate I did a deep-dive by reviewing the financial records of the largest home buyers and uncovered an important point: investors like Invitation Homes (a spin-off of private equity company Blackstone) don’t buy homes at random. They’re really buying up smaller, more affordable housing in growing cities like my hometown of Charlotte: in other words, the specific homes that could have been wealth-building for the working class. An interesting point about many of the giant asset managers that are buy these houses is that they’re not just managing the…