good sewer hose
good fresh water hose
rug for inside the door
rug for outside the door
enough towels, washcloths, and underwear to not run out
aim-a-flame type lighter for when the stove burner sparkers don't work
some pre-made meals that are easy to heat up
whatever entertainment you like for a rainy day
a couple of cans of flat-fixer
one of those square head screwdrivers for tightening up things
scissors and a box cutter for opening stuff you pick up at WM
a notepad and pen for making a list of things you want to pick up
$1 bills for self-serve campsite fees