You can win in gambling is you know when to stop. You need first to set your goals. How much profit are you looking into and do you have funds to start with. Once you reached your goal, walk away. You also need to set a stop loss, its your protection against sudden change of trend and price goes down again.
Winning is gambling is easy but then planing and play with profits only is difficult and not being done by many people. People do come in gambling and win good amounts, they may repeat the winning patterns but they do not know when to quit. A time come when they again try their luck and go all in with all their seed money plus profit and lose it in greediness.