If your permanent neighbor has a loud party, you can talk to them about it the next day, and there's a decent chance you can come to an accommodation, since the

If your permanent neighbor has a loud party, you can talk to them about it the next day, and there's a decent chance you can come to an accommodation, since they have to live next to you too. If a transient neighbor is too loud, you have no "social" recourse, because they have no incentive to accommodate you.