What do you do with all your cheaper used breakers? I know some places offer to buy bigger breakers. But what about your single pole plug in type?

Throw them out?
Keep em in the shop for what?
Stock them on the truck?
Give them away?
Leave them with the customer?
Sell them on Ebay?

I was wondering this because I don't like to put in used breakers unless they are hard to get or I'm in a bind. So I'm wondering why I'm saving all these old things that are not worth much. There is no garantee they are any good. Mostly taken out of panel jobs that were overloaded and under circuited.

I found I have a lot of QO 30 sp from fixing the homeowner jobs. Also some of the off brand made to fit QO panels. What about your old GFCI breakers?

Tom