First of all - I LOVE your service and so does my team.
Right now if I create a domain (as an admin), the software is confused and thinks we aren't paying for a subscription even though we are on a Team subscription. Additionally, this is not made apparent via the UI so I had to open a chat/support to discover this.
Apparently on a Team subscription, I still have to have the team owner add the domain. This is counter-intuitive and frustrating, since as an admin and on a team, anyone with the appropriate rights should be able to add domains as a part of the paid plan.
I can see having "request domain" be a feature of a non-admin, but you shouldn't have to transfer the domains around in the same account especially between admins. I also received an error trying to transfer the domain to her...so it seems like there might be a few more things necessary under the hood to handle.