As stated, dealing in accounts is allowed. However, this has led to a number of scams from accounts that had green trust and high status.
I've been negging everyone who deals in accounts, with some exceptions where the users have demonstrated previous trustworthy actions. I'm not on DT, so my trust doesn't matter, I do this for myself. Something has to be done about this, and someone needs to act. Since account sales are not going to be banned by the forum admins, we peon users have to act. It's definitely, definitely frowned upon here.
When looking to all the complains in ur trust list, you are doing a good job.