Top five.
Handguns:
1) all things 1911, from budget to stratospheric cost.
2) Small (CCW) revolvers chambered in .3-something to .4-something.
3) .22 target/plinking guns, revo and auto
4) Classic handguns, like old N-frames, SAA, etc.
5) New release stuff, auto or revolver, any caliber from any maker.
Longarms:
1) bolt guns chambered hunting calibers, .223 through .30-06
2) shotguns directed toward hunting, any and all action types.
3) Expensive variations on Nrs. 1 and 2.
4) Classics, like Win. 70 or Rem 700 Classic
5) All the new stuff, any caliber, action type or manufacturer
Other stuff:
1) parts and mags for what you're selling
2) acessories such as slings, grips, heck, maybe even heat shields for that Mossberg 500
3) ammo. Nr. 4 should read "more ammo"
4) Oddball cool stuff that floats in from E. Europe now and again.
5) ammo