There were plenty of people in the shop, so I don't think this is in play for them. It's not like the volunteers are carting of say "the best books". They just

There were plenty of people in the shop, so I don't think this is in play for them. It's not like the volunteers are carting of say "the best books". They just get to see the books first, and there might be something they like. Ditto clothes. Ditto kitchen, dvds, and whatever else was coming in. Clearly though context matters. This in a jurisdiction that doesn't offer tax incentives for donations, doesn't have $1000 items, and wouldn't know what 3D filliment is, much less anyone to sell it to.