@Kelden Thank you for your post!
Please follow the instructions from this guide - https://learn.microsoft.com/en-us/azure/cost-management-billing/manage/delete-azure-payment-method#delete-a-pay-as-you-go-mosp-payment-method to delete payment method. If you're unable to do so, you can contact Azure billing team by creating support ticket for further assistance. The ticket enables you to work closely with the support engineers and get a quick resolution to your issue. Here is the link - https://learn.microsoft.com/en-us/azure/azure-portal/supportability/how-to-create-azure-support-request to create support case.
For services that are not in use/de-allocated, you will not be billed/charged for compute. However, if there is data associated to that service, you will be billed for the usage of storage space.
Hope this helps!
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