After listing their dining set on Facebook Marketplace this would-be seller didn't expect that they'd be accosted by a wild marketplace Karen. This Karen was feral for the set and didn't appreciate not receiving instant replies to her requests; she proceeded to irrationally lose her marbles with a string of entitled messages to the seller. We've said it before, and we'll say it again… Selling used goods on Facebook Marketplace, Craigslist , or any other free equivalent platform is pretty easy……