You must have Jr. VIP status.
You must be free from bans and infractions (subject to moderator approval).
Your product/service must comply with all rules, including but not limited to, no forums, no coaching, no illegal services. Check the rules before deciding on a thread.
Your thread should include clear contact and refund policies.
Your product and service must be of quality and priced reasonably. Sell My Signature Forum staff will be the sole arbiters of this.