Gambling is safe is not possible, I'm dreaming about doing this but its not possible these days, there are no games safe to play.
You need luck and that is not something you can just have.
it is necessary for it is luck, however, luck will not always side with you. so it might be a good method of winning in gambling is, you should always try it with very little capital, because it will not make your wallet to be empty, and you also need patience, to which the siding luck to you