How about distributed/crowd-sourced warehousing? "We sent you a box of (commonly used item) because we though you might be out. Don't need it? Hold onto it and

How about distributed/crowd-sourced warehousing? "We sent you a box of (commonly used item) because we though you might be out. Don't need it? Hold onto it and we'll credit your account $2 if you'll drop it off at a neighbor's house when they order it. Otherwise, let us know and we'll pick it up." Or just make this process opt-in and let your customers volunteer to make some Amazon cash.