It's important to own the landfills - anybody can win a contract to pick up the cans but nobody is granting a permit for a new landfill. The owner of our local landfill, Fred Heebe of River Birch Landfill, is ridiculously rich.
I haven't seen a comprehensive biography of Huizenga but this thirty year old article tells a lot of his life story. There is always mafia-adjacency in a business like these, at least in the early years. It's a long article. You'll have to read past the testicle twisting...
https://www.miaminewtimes.com/news/wayne-huizenga-the-unauthorized-biography-17392137