Buyer purchases two very cheap items three weeks ago. After a fairly relaxed 9 days they pay for one via Ping + the postage. I can combine them so they just need to pay for the other item. They send me an email saying they've paid for it. Great! A few days pass. Nothing in the bank account. Five days ago I send an email confirming if they've paid, or if they just want me to send to one they'd paid for. No response. Today I got good feedback on both items. Aside from blacklisting them, should I:a) keep harassing them for paymentb) send the item they've paid for and hope they suddenly don't p...