First, start a multiplayer game. You don't have to play with someone else, but this cheat only works in multiplayer. Create two (2) or more characters. Start the game and play until you have an item you want more of. Give that item to one of your characters and export them. Then give the item to your other character and export them. Save and then load the game. on the screen where you click the skulls to say you're ready, delete your characters, then import the characters you exported in the game. Start the game and all the characters you gave the item to will start with that item. Sell the item over and over again to get money, or duplicate quest items the get exp.