1. Scout as possible search for the nice team,stats and condition of the player.
2. Prepare your self when you gamble don't be greedy,stick to the plan and strategy, bet low so that it will not hurt you if you lose.
3. Stay what game or played that you have.If your playing basketball then focus on that.
You are telling some strategies to cut out the losses for the OP,but he is asking any available trick to win a game.Obviously there is no perfect trick available to win in gambling.
I agree! There is no shortcut to win and there is no assurance that the trick he wants will work out. That's why it's called gambling because you will gamble your money without any assurance of winning.
If someone is really expert in system and technology he can hack the site and can increase his winning percentage?