It will be ulimited for life on your Google account, after payment i will need only your gmail adress!
Is this method related to EDU emails? I don't think it will work because Google changed the terms of service last March.
Can you share snapshots of some of those accounts? Or provide an escrow? I am not talking about rocketr but rather a trusted one.
Using more than one email gives a negative signal and does not post it publicly.