If your posts are popular and followed by many members, request your own board so members can easily follow your threads. The only condition is selling is forbidden. It is not a platform to sell systems.
There are celebs out there who gamble. Think of the story about the footballer who lost a load in the casino recently. I don't think I've ever spotted one though. I tend to focus on the game, and I guess most of them would have private rooms or VIP areas to play in.