Here's a subtle one for Revit mEp users, a new button shows up in Panel Schedules when you select a circuit.
Move To begins by selecting a circuit. You can choose another eligible slot in the schedule. You'll see the "No You Can't" icon at your cursor when you hover over ineligible locations in the schedule.
Revit will highlight eligible slots in the schedule by turning the cells green. If your schedule has a fixed number of slots and they are all filled up you'll have to reconsider the panel loads. You also need to move circuits up or down to create an open location. The Move To feature doesn't shift existing circuits around, it just moves a circuit a bit easier than using up or down when a slot exists for it to move to.