I have found a new exploit in the gamemode. If the player presses F3 3-4 times before the inventory menu pops up, the menu multiplies and they are on top of each other. Because of this, if the player salvages his only item, that item does not disappear in the other menus. Meaning, the player re-salvage the same item over again, or even drop and re-store that item.
Somewhat significant, if people caught on to this they'd have a virtually limitless supply of resources.