The key to high roller success is cultivating a disciplined mind-set

https://super-wiki.win/index.php?title=Betting_Big:_The_Life_and_Times_of_Notorious_High_Rollers

The key to being a successful high roller is cultivating a disciplined mind-set. Avoid emotional decisions during play, and learn to walk away from the table when you're ahead or if things aren't going your way