<http://schema.org/description>
"Sellers, you can indeed prevent problem buyers from placing bids on your auctions in the first place, whether you want to exclude low-feedback bidders, international bidders, or non-PayPal bidders."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.thebalance.com/can-i-avoid-doing-business-with-problem-buyers-1140164>