The loser camps overnight outside a Walmart or big-box store on a random non-Black-Friday date, in a tent, in line for nothing. Leaguemates visit to photograph the vigil. Confused shoppers asking what's on sale is the best part.
Budget note: this one costs nothing but dignity, which makes it a strong pick for leagues that would rather spend the pot on the champion than on the loser's downfall.
Seen in the wild: sleeper.com