Accounts sales isn't against the rules or are allowed, but it's not recommended. Pay attention to rule No. 18. However in most cases selling accounts increases scam and spam which makes some DT members dislike it for being untrustworthy.

The OP can't be trusted with money after his bad reputation, but if his information and knowledge can help the forum with contributions then that's quite another. He could still rank up if he wanted to contribute, but it was rare when a newbie got a negative tag.