No need to make all items free in that ship testing arena... just make it so items can be (virtually) sold at their buying price... i.e. give the player a budget of his current ship's BUY value + his current money Something cool would also be something like ?testitems -somereactor,+somereactor,-somegun,+somegun,+someaddon and if your budget allows it, it throws you in an enclosed area where you can try it out for 30 seconds or so, then resets you back where you were with your old items. Kind of like how you can try a car out before buying it. Having this in a different arena might make things easier