Licence Twin has no registration fee. Defend Twin is a paid monthly service; the current fee is shown before you confirm, and nothing is charged until your identity and profile have passed review.
No commercial licence is activated through Twinnin without your specific approval and an agreed scope.
Yes. You can update your availability and terms. The treatment of any licence already in force is governed by that licence.
No. You can decline any request, and you are never required to make your likeness available.
Your agent can be included in the process and fee structure. Confirmed agency integrations should be named only after launch approval.
The eligibility and guardian-consent position must be confirmed in the Terms before this answer is published.