It's always advisable to all gamblers to use money that are being attached to something meaningful for gambling because sometimes the money the is meant for important thing could be lose while gambling.
That is why when we are going to play it is Important to see how much money we are going to play with and that money we are willing to lose, that is the key, there is no other way , we are people who in order to act in money matters must plan, and as it is so difficult to determine whether we will Win or not the most logical thing to do is to allocate the money we are willing to lose.