Must haves, huh?
OK, I'll play.
1. 4" DA revolver, .357 magnum smith/ruger/dan wesson, colt pythons also work.
Must be accurate.
2. Old school full-size 9mm steel pistol with standard capacity mags, smith/CZ/beretta/etc. Must be reliable, and able to buy ammo anywhere. Substitute glock 17/19 if you already have one.
3. Magnum revolver DA or SA .41 magnum and up. Ruger blackhawk/redhawk/vaquero/bisquero/smith n-frame/large frame Dan Wesson/colt anaconda. Able to take small/medium game. Substitute 30/30 , .357 mag lever action rifle, or Glock 20, if necessary.
4. 1911, either .45 acp, or 10mm. Single stack mags. Must know operation, and able to field strip same.
5. Plastic compact pistol, caliber not important. Plenty of extra mags. H&K/glock/etc. Practice concealment and presentation (Empty, or course) in front of a mirror. Must be reliable.
6. 2 1/2" snub .38 or .357 revolver. Comfortable grips. Good holster. Able to hit a paper plate at 15 yards, double action. Must be light enough to carry easily, yet heavy enough to be able to practice all afternoon without pain.
7. Woods pistol/rifle/carbine. anywhere from .22 to .38, must be easy to use, quiet, reliable. Easy enough to carry that you can carry supplies, gun, and bag of stuff without getting tired.
8. Shotgun. Must be familiar with action types, safeties, and what ammo goes into what gun.
Uber-tactical gun optional.