Clean toilets
Changing rooms
kitchen facilities for crew to do own pax food preaparation and washing up
Fridge to store own pax catering
Ability to walk back and forth to the aircraft when you want
loan Hoovers and cleaning materials for crew to use on a/c
Free use of ground power units
Tall steps so crew can deice the tail themselves if needed
Whilst I would prefer to sleep, I seem to have spent most of my time at FBOs cleaning and preping the a/c!