It may be that I noticed this just now, but it appears to me that sellers with bad deals who want to hide from the public are increasingly starting to use confidential listings where the rotten apples can't be publicly exposed because people cannot post public messages. One such seller listed their stuff on October and sold it without a problem. Within a couple of months the backlinks from the sold site disappeared and started to point to his new site which was listed on Flippa. Buyers mentioned that incident on Flippa public board and the auction ended unsold. It was relisted as confidential the 2nd time and it was sold successfully. Now a month later I see the 3rd site from these guys. This time, of course, they staretd with a confidential listing straight away. I thought confidential listings were of a higher quality, but apparently scammers are now using them to avoid public scrutiny. One interesting thing happened tho. When the 1st auction was still public the seller deleted the comment from a buyer mentioning how the links disappeared from the 1st site and Flippa's admin reinstated the comment. If only that happened more often.