7 Days to Die

Below solution use the game glitch and probably will be patch for future update, it require a boosting partner

Credited to Topsi Krett when i PM him to enquiry the glitch

1. Create a private game and invite your boosting partner
2. Collect at least 1 vitamin (find at some pop pin pills store)
3. Craft a stone axe
4. Collect at least 8 stone
5. One player craft a campfire (require 8 stone)
6. Press "Y" to use campfire
7. Put vitamin (or any resources you want to duplicate) at the output section, DO NOT CLOSE THE MENU
8. 2nd player use the stone axe to destroy the campfire, then craft a campfire at the SAME LOCTION
9. 2nd player press "Y" to use campfire, collect the resources at ouput (in this case the vitamin)
10. Close the menu and press "Y" again, the resources should still stay there allow you collect indefinitely
11. Once completed (you should need around 300-400 vitamin to increase to 200 wellness)
12. Take turn for another player