I think the easiest way to get a profit in gambling is betting games or games.
What does this even mean? Easiest way to make profit in gambling is gambling? 
With the use or martingale strategy. It is because of doubling their bet in every lose so if win comes your capital will back with a profit.
Did you even tried it? It's fastest strategy to lose money in few rolls. Luck's are always their but experience is the best key for assuring of winning.
No, it's not. It's actually the other way - luck is all it matters and you don't need any experience.