I purchased an account upgrade to allow me to post in the for sale forum. As part of that terms show in the ad, it states we can edit our ads:
This option isn't available after a short period of time.*When item sells, or offer pending, please mark the FIRST post in your thread as "Sold Out". To do so, click "Edit" on your first post then chose "Advanced Edit" then select the "Sold Out" icon in the lower table.
Editing ads lets me mark thing sold out. Not everyone reads all the replies, and it results in wasted time on my behalf, and the customer's behalf. It also makes me look sloppy to the customer when I can't keep my inventory listing straight.
When I inquired with staff about this, they wanted me to pay more money to take advantage of the feature they already took money from me for.
I don't know about where they are from, but where I'm from this is considered dishonest at best, but most likely a form of fraud.