It’s not entirely that. There has been a massive influx and there have been some questionable characters. One appears to have been arrested for possible involvement in criminal activity...
It can be that the items they want to trade for out values their item and they hope that someone wants what they have enough.
Or, the item they want has a fluctuating value and, while his item may be an even trade at retail, it currently has inflated for whatever reason.
Cash often says to...