If we have enough capital, maybe the easiest way to make a living in gambling is just to start our own casino or gambling sites
Nowadays, it is no less a daunting task than winning in such a casino
If you follow the Services section of the forum, now and then you see new casinos entering the spotlight and recruiting forum members to post with their signatures. After a few weeks of advertising most of them disappear to never to be seen or heard of again. What does it tell us? I guess that the competition in the field is extremely tight up to a point of brutal, and even if you have enough funds to start it off, it doesn't mean you are going to succeed as you also need a lot of expertise in, for example, running a business
I tried to making a living at playing blackjack. I lost a lot of money. And I'm an amazing blackjack player too, to the point that I have to worry about casino surveillance and they're tactics to interfere with the outcomes of my game play. I'm talking about real world casinos. The only way to gamble professionally is to "Hit and Run". Play for no more than 1 hour per gambling session. The longer you gamble the more likely that you'll lose