I haven't tried your method with bandages, but it does work as you described for me when utilizing cheat engine
I don't remember how to resolve pointers though, haven't used cheat engine in forever.
now i´m tryin and tryin... i found the code, changed it but nothing happend and it switched back to the amount in game
hopefully the trainer will be updated with add gold
"give X = Gives an item, quest, money, EXP or ALL. Ex. 'give money 200' gives 200 money."
original link with instructions
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