Use a small utility trailer inner tube as a seat cushion.
Flavor your drinking water with a powdered mix of some type. It's going to taste warm, so it might as well have some flavor.
Practice shooting in windy conditions, if possible. Crosswinds will do crazy things to your arrow flight.
Don't take an unprotected camera into a pit blind. Cameras and wind-blown sand aren't a good mix.
Cut an antelope target out of cardboard, stake it upright in an open field and shoot at it with judo-tipped arrows. Shooting across an open expanse can fool your instinctive eye.
Good luck and have a great time!