Poor people have ‘nice’ apartments
Even though they make bad financial decisions, aren’t consistently employed or whatever, at least they live in a palace, right? Unless it serves the plot, there’s no mold, roaches or rusty water. Everyone has a room, even if it’s in the middle of LA, New York or San Francisco.
Sometimes it’s revealed that it was a rent-controlled thing, or an inheritance or whatever, but in any case, realistically, these characters can’t live where they are.
Hollywood has a funny idea of what an “affordable” home really is.