It’s a great clutter-controller to have one spot to put things you want to donate.
Find a box that is a fair size (too small and you have to head to the charity place too frequently!) and create a home for it that’s fairly accessible, but not in your high-usage areas. I’d suggest the bottom of a laundry shelf, bottom of the linen closet or in the garage.
Label it “To Be Donated” and teach the family to put anything in there that they no longer need, use or love in there so it can be loved by someone in need.Whenever it gets full, take a quick trip to the nearest charity and drop it off, replacing the box in its spot again to continue the cycle (don’t leave it in the car for 3 months!).