Drop-off Box in Animal Crossing: New Animal Crossing Items Horizons explained
If you've got something that you desperately need to sell when Nook's Cranny is closed in New Horizons, then you can always put it in the Drop-off Box.

The Drop-off Box is located to the left of the door for Nook's Cranny and, as you add items to the box, you'll be able to see your total earnings from items placed inside.

There are, however, three disadvantages to the LOLGA.COM Drop-off Box.