Tech, go to the loot magnet and tell him to pick up your stuff when you aren't idling. The loot magnet is found in the beginner training zone. Talk to him and hit the box for automated pickup.
Too bad you can't assign tactics to those frisky ZAC fighters. I don't want them smashing a boss of the screen so why can't I simply assign them a position? and tell them to retreat when their hp is low and stuff like that.