Maintain different threads for different services in the appropriate sections,if you are goo in ANN thread creation then you may start your service thread in the service discussion and also for the ICO whitepaper writing if your payment is in bitcoin.Or just go with marketplace altcoin.And also buy the copper membership since your rank is Jr.member because copper member allows you to post images as well while you creating threads.

For any type of account selling you have to create threads in invites and account section and also read the rules before selling bitcointalk accounts because you may get tagged.