That way you can keep duplicating it for unlimited money. Step 5: Sell all your weapon duplicates, but also keep one for yourself.So basically it will throw & drop the weapon at the same time and that’s how the weapon duplication glitch works. You must drop the first/top weapon from the inventory list for it to work. In your inventory you will see that the weapon is still there. Step 4: Throw your weapon (press the right control stick twice) and when the weapon is in the air (before it hits the ground) you open up your inventory immediately.The more valuable your weapon, the more money you will make! - Some weapons (at Epic level) CANNOT be duplicated. Step 3: Equip your most valuable melee weapon like the Cricket Bat/Crude Pick/EXPCalibur* (or buy one from a merchant/trader).Step 2: Buy the “Master Backpack” Skill (upgrade it twice) that allows you to carry up to 18 weapons.Step 1: Buy the “Melee Throw” Skill from the Power level section that lets you throw any weapon in your backpack.Money Cheat Method: How to make 100,000’s of dollars in Dying Light easily. Money Cheat Location: How to get an unlimited cash? It can be done near any wall in the game.