Yet, that’s exactly what happens sometimes. Big developers are professionals at putting in the minimum passable workmanship while putting enough lipstick on to sell it at a high price. The only inspections that take place are for code compliance for particular items, but they don’t inspect much of anything outside of that.
That $1 trillion he’s claiming also comes from the pockets of Americans, so it’s more like - 1 - 9 = - 10.