It’d be super nice to get functionality that lets a user with an active subscription assign another subscribed user thecoach role for their account so the assigned trainer can use Coach Jack to create, edit, and publish plans on behalf of the account owner.
Right now the way it works is your coach can create a private plan with a free account and send you the private link and you can clone it into your account. I realize that is not obvious 
Let me know if you need any more than that.