Hobby , and like most things it usually costs money, some hobby cost more than others. Like you can collect rocks as a hobby, thats free, most hobby gonna cost something. We do it because we enjoy it. I do. sometimes, lol.
It is not like a sport such as BB, FB, golf , tennis , no child i know ever said i wanna grow up to be a Poker Pro. Maybe if they put Phil Ivey on a Wheatie's box. lol