Have lots of scrap lumber (2x8 or 2x10) to put under jack pads, and to pull the tires on to level the TT side to side. Use a cordless drill and socket to run the jacks up and down. Do not forget lawn chairs. A patio rug to fit the space under your awning keeps dirt from being tracked in. Have an assortment of 12V fuses that fit your power center.
Speaking of the awning, is it a power awning? If so, familiarize yourself with the procedure for rolling it up WITHOUT power if the need arises. Same goes for your slide room, if you have one. Know what to do if it refuses to retract when it's time to go home.