Welcome aboard Jeff!
I wound up here EXACTLY the same way.
Started buying lot knives to re-sell, and I needed help figuring out what was worth a nickel, and what was plain junk.
I'll warn you ahead of time... These guys LIVE for pictures.

(knife porn ya' know).
Have fun sir!
Ken Mc.
WTB Kershaw 2120 MACHO Lockback Parts knife
I need a pile side scale. THX!