Hey, I'm no snob, lotsa good stuff at WalMart.
They carry a $1 folding knife in the camping section, stainless blade, locks, belt clip, 1.5 oz. Also a handy Winchester brand $10 Leatherman knockoff SS pliars/multitool set that's lighter than many I've seen in pricey shops.
What else? A pretty good $1.88 noseeum head bugnet, a $9 three-pack of pretty good fold-lock dry bags, decent compact compasses under $4, cheap carabiners, and lately they've had under-$1 parts packs for spare buckles, belts, clasps etc for general backpack repair or modding.
There's a long post somewhere around the Internet forums about outfitting yourself for a through-hike entirely at WalMart for under $200 or so. Pretty interesting/entertaining. Worth a google.