Think about it terms of how precarious their sleeping arrangement is. Own your place? You're golden. Rent officially? Probably have good tenant protection law

Think about it terms of how precarious their sleeping arrangement is. Own your place? You're golden. Rent officially? Probably have good tenant protection laws. Anything else is subject to circumstances which might change with short notice. If you're crashing on a friends' couch you're one disagreement or girlfriend away from being kicked out.