Most retail and fast food businesses are running on razor thin margins, especially when the economy starts to weaken. There are a few exceptions. There was a l

Most retail and fast food businesses are running on razor thin margins, especially when the economy starts to weaken. There are a few exceptions. There was a lawsuit in the last few years between Burger King and its franchisees because Burger King required them to sell the double cheeseburger for $1. The franchisees could not afford the extra slice of cheese on the burger or they would lose money on it. This was the reason McDonald's created the McDouble which was two patties and one slice of cheese. McDouble Story: https://abcnews.go.com/Business/Economy/story?id=6803935 https://abcnews.go.com/Business/Economy/story?id=6803935