Gambling needs patient people to be profitable ,the most of gamblers lose their money because of their hastiness . every one of us like to earn money as much as possible , this is a human nature , but sure gambling require you to have good management skills , otherwise you will lose every thing .
No matter how patient you are, you cannot expect to beat the house edge.
Yes in Gambling we need some management skills or else there is a possibility to lose us all money. In gambling only, just luck will work out. We should use our skills also then only we can make a profit. Yes, when money , matter comes all people will become greedy no doubt in this.