Jim doesn't charge rent. He even lets the bums get out of the rain.
THE ROOF HAS HOLES. NOT ROTATING SALTS IS HOW RATS AND OWLS AND THE RAIN GETS IN. THEY MIGHT AS WELL BE OUTSIDE, DOOFUSTHE ONLY TIME HE DID IT WAS ON FUCKING ACCIDENT. IT'S A REGULAR MAINTENANCE TASK!
HE SUCKS AT SECURITY AND IS COMPROMISED BY STUPIDITY, AND THAT'S ONLY IF HE'S HONEST. IF NOT THEN THIS WAS INTENTIONAL