I have used much of this time, sorting through boxes of stuff we brought with us when we downsized from our 4 bedroom house we lived in for 17 years.
When we had the empty nest we moved to a small cottage, and it has a very nice tool shed out back. We crammed a lot of boxes out there when we moved in and I haven't really gone through them....
So I am doing a few a day, realising I won't need any of it anymore. And I don't want to saddle the kids with it all. Anything really wonderful, I send a pic to them and see if they want it. So far, most things are dispensable.
I have a lot of glassware and dish sets and all that stuff...and it is not necessary anymore.
Also, way too many old family photos, etc. I gave all the good ones to the kids already. But I have a million old pics of relatives they never knew and they have no interest in or space to keep them all. I dont even know who half of them are. lol
Zillions of old CDs, and old gadgets and electronics. I did find my son's ancient gameboy and he was thrilled that it still works.