Having been raised by parents who experienced the Depression, I inherited their abhorrence of waste, so I feel your pain.
Worse yet, it's reinforced by countless memories of searching for - and paying up for - parts.
It's taken my years to sell off stuff that seemed popular & sought-after, and finally some of the stuff went to recycling.

Right now, I have a lot of stuff - cherry picker, engine stands, a tower of fastener drawers, etc etc - I can't seem to literally give away.