Of course not. What really happens is a bunch of house elves or oompah loompahs come out of the supply closet and quickly redecorate the entire building while you’re in there.
Funnily enough there are two types of scam. One is just simply designed to get you to pay them. But the other is for money laundering where you actually do get to keep a part of the offered money. Until the police come knocking at your door, of course.