[mothered]

There's countless methods.

Contaminate the food, Infest the rooms with bugs/Insects by bringing them In yourself, open the heating/air conditioning and pull out some wiring, block the toilet and sink and the list goes on.

Then hit your complaints.

lmao these are actually hilarious suggestions

Take It from some (myself), who's successfully SEd a resort many years ago using a couple of these methods.

Evidently, you don't do the lot, that's an overkill and will raise suspicion.