possible money hack

hey guys.
i was playing around with cheat engine on warrock and i went to the store
your going to have to have a new acc for this or a acc with alot of money

start by opening cheat engine with a hack and that hack's bypass will cover both as said in a previous post by me

start with 2 bytes and exact value of your money
buy something
keep everything the same except put your new amount of left over money in

i found that if you find the right address you can visually change the money it says you have in the store

for instance i changed mine to 50,000 dinar but it was only visual so after i bought something it went back to normal

maybe we can make this a real hack any ideas?