To win in gambling only with luck you should be like Domino from the Deadpool movie 
Skills and knowledges and experience are definitely welcomed here. WWhen you know all the rules, all possible results, can calculate cards or other things your chances are much higher than at any "lucky" newbie.
In my opinion, I think luck is inherent in everything we do, so the above poster might be right about what he pointed out. Whether you win a raffle price or hit by a car, there is always an involvement of luck and that is the same thing with gambling.Skills and knowledges and experience are definitely welcomed here. WWhen you know all the rules, all possible results, can calculate cards or other things your chances are much higher than at any "lucky" newbie.
It is how the luck chooses to play out on the player that is the main thing. And for games that requires skills, like poker, study and practice is necessary, then do the leg work and the odd will work in the favor of the gamer, this sort of strategy cannot be overlooked.