Ash decided to test if the Wishing money will do as the letter said it would by using one to get a game he has yet to get and he does remember before the change. He watched as after he made the wish the dollar he was holding vanished into nothing and the game he wanted appeared on his table. 'Holy Shit!' He thought to himself. 'It works!" He picked up the game and placed it in the rack for his games before looking at the rest of the Wishing money he has. He wonders what to do. On one hand he can change what ever he likes with the money but on the other hand he has a limited amount of it so he will have to be careful with how he uses it.
He decides to use another one to exploit a loophole. While He can't wish for more of the Wishing money it didn't say anything about Wishing to find more of the money. He did the wish and watched as the dollar disappeared and know he will be able to find more of the money when he wants to.