If you take it as an entertainment, then have some advantages. But if you take it as a earning source then lots of disadvantages you have to face. Patience is the key to success in gambling. Gambling teaches you how to keep patience. When and how do you take right decision gambling teache you. Worst disadvantage is you lost your emotions and wealth. Day by day you fall in deep depression.
AFAIK, patience is more applicable in investing and trading. IMO even if you're patient in gambling, what's next? are you going to be successful after that? No.
There's so much a lot of things needed for you to have that description of being successful there. It takes a lot of courage for one to be called successful in gambling and the reality is that, not that many sees that success.