Gambling are base in luck, we can not say that we are pro in gambling, gambling is are too hard to predict. So we need our luck is in our side. Even though some users have more experience on it but we can't say that he/she is a pro on that maybe he/she can win because there's a strategy but still it will not long last. So it's better to play safe cause there's no pro in gambling.
Gambling requires luck first. If your luck is good, you will not be able to profit there even if you have a huge amount of money. Yes, there are some strategic games where you can win using knowledge and strategy. But most of the time you have to bet on your luck. Prediction in gambling is very difficult and it is almost impossible. Yes, although some people may be somewhat knowledgeable because they have been at it for a long time, it is impossible for them to bet with complete certainty.