The casino always wins. I personally do not know any case when the casino went bankrupt. But I know a lot of cases of bankrupt people who played in the casino. That's why you should not play in a casino, but invest in a casino!
Becoming a casino owner is not realistic. This is a closed criminal business. But you can try to become a co-owner of an online casino. Project GoldenFever offers this option!
It is interesting how many people want to become co-owners of online casinos, because the gaming business a lot of people just look around and do not see the point in it to invest their finances there.