Is it possible to systematically create profit through betting or casino games, or is it up to personal luck all the time?

EDIT: I apologize for falling off the face of the earth about a half hour ago. I had to go all the way up to work at 11am today, and I didn't realize I was going to be on call so frequently today. Should have about a half hour up to lunch time, and it's been about 3.5 hours since I posted. I'm going to do my best to systematically go through everyone's comments and answer them as best as I can. <br><br>Further EDIT: I've had to go back to work, and I really apologize I haven't made the time to respond to comments, but thank you all for making this thread so successful. If you want to call me a jackoff it's absolutely well-deserved, as I did not expect this thread to get this level of upvotes nor the level of engagement. I will try my best to respond all comments at lunch or after work. <br><br>I'm an MBA student, and one of my classes has a case study on casino gaming. I thought it would be interesting beyond just the case, and kind of got sucked into this Chambers rabbit hole. <br><br>I'm just wondering if anyone knows of any mathematically-proven systems, skills, techniques or even industry secrets that can systematically create a profit through betting or casinos? I know it seems like a pipe dream, but I'm sure it's happened before.