I had my M1 Mac mini and its associated Logitech AudioHub (combination subwoofer 2.1 stereo soundbar/USB 2 hub) listed for sale in a few places but decided to give Facebook marketplace a go for the Mac, having found a use at home for the speaker setup.
It sold 10 hours ago to the first person who expressed interest in it. Quite pleased with that. I chose to demonstrate the Mac in the garage instead of in my home for privacy reasons. I had it connected to a 21-year-old 20-inch Apple Cinema Display that only needed a DVI-to-HDMI adaptor to make it workable.