American Housing CEO @rileymeik explains why prefab housing never revolutionized construction, and how he's redesigning homes to be built like cars: "Prefab has been around for a very long time, but typically housing manufacturers produce parts that they sell to home builders. That means you’re building two-by-fours and drywall." "Because we’re vertically integrated, we get to choose what we build and how we build it. We’re not using the hand tools you would buy from Home Depot. We’re using…