Quote Originally Posted by Kamahari Akuma View Post
Or for those of us without the room for it, just plug them into units for what I like to call 'force leveling'. Pump in enough of those freebie irons and bronzes and eventually you'll get that unit into your 8000 exp or less zone.
I prefer to discharge them for additional gold if they're too low level, since they'll not be gold-efficient for leveling.