Joy Buyer / Joy Bidder - Impulse Buyer who do not have money to pay. They could also be your competitors be awere!
Joy Buyer / Joy Bidder - Impulsive buying behaviour of people who express intention to buy or use your website checkout with no immediate money to pay for their purchase. Normally it end up as no sale, or cancelled transaction.
On ebay there is a special provisions on this for item with no payment receipt using the dispute console. If done right the seller will be immune from a negative feedback and will automatically receive a reversal of any sold fees attached.
Create a client mailing list, know your buyers. Check profiles of your inquiries, a real buyer and an impulse buyers ask a lot of questions. A competition who is just snooping around ask very minimal question or none at all. They just check on your website or use your check out system to read seller policy and wait on how he/she will be accommodated as a buyer, try to discern who is who. If you sense it is just a possible joy bidder do not border to waste time to follow up on payments, do not bother to reserve items, prepare your website with RESERVATION POLICY or NO RESERVATION POLICY.