Hello @Vincent Ferranti,
Thank you for posting your query on Microsoft Q&A.
From your description, it seems you are trying to delete or remove an Azure tenant that was recently created with a Pay-As-You-Go subscription. However, you’re encountering issues when attempting to leave the organization.
Please note that if you are a member user in the tenant, you cannot leave the tenant using the My Account Organizations page. I’ve attached a screenshot for better clarity.
To delete a tenant in Microsoft Entra ID, kindly follow the steps outlined in the official Microsoft documentation:
How to delete a directory in Microsoft Entra ID
I hope this information is helpful. Please feel free to reach out if you have any further questions.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Thanks,
Raja Pothuraju.