@alex240101,
I've never heard of this pay for the party stuff. BYOB, sure. Pot lock, written on the invitation, is as old as the hills. The crust of some people, as my aunt would have said...
I remember my only visit to a really good sushi restaurant very well. Loved the food, except for the raw sea urchin. Appalled at the bill, which we picked up. But that was nothing compared to this story.
I had a party like that too, Alex, only the whole thing would have been only eight people, steaks, etc. for all, and me working part time, what was I thinking... Two couples didn't show and didn't call; one turned out to be that the marriage broke up that night, and the other.. I forget, but it was another good reason. Still, it was a weird feeling of the "nobody likes me" sort.