Do you own your things, or do your things own you?

Half-way toward a house pared down and the things we don’t really want sold, given away, donated, or thrown out. I can see how there’s a class of thing that I no longer want, but that is too good to throw out and I can’t seem to sell–and don’t have the time to give to find someone I can give it to.
If I keep those things, I am letting them own me, so the challenge of the next 10 days is to find ways to remove the Ntozake Shange poetry books, champagne flutes I never liked and similar items from my possession.