There is no way to gamble in a safe way because the chances of you winning are still going to be the same no mater what you try to do.
With most of these gambling games luck is required in order to win and that is a fact.
How can you require a luck when you cannot control it, skills is more important because we can develop it by reading the relevant method to win in gambling, part of our strategy should include controlling our self because if we fail we will suffer in the end.
That is definitely true! You cannot control your luck and that is why you need to hone your skills in order to have more chances of being lucky. You will not just bet randomly in one setting and before you know it, all of your bankroll are now gone - compared to have a good strategy of having many sessions and pre-planned bets where all of your bets are planned already and you have them in control.