Welcome to the forum.
Firstly want to point out that this hasn’t happened to me, but I do understand that it is frustrating.
Unfortunately account/billing access issues are not something forum users can inspect directly.
I wrote a post yesterday in a similar thread about tips for contacting support and getting in contact with a human. With a few suggestions for keeping one support case active and making the escalation request as clear as possible.
I share the link to the other topic here, so you can check it if you want and so that I avoid parroting myself: