Billing Issues for no use of AWS

I understand your concern about receiving bills for AWS services you're not using. Here's what you should do:

1. First, it's important to verify that you actually have no active AWS services running. Even if you're not actively using them, some resources may still be running and incurring charges. Check your AWS Management Console to ensure all services are stopped or deleted.

2. If you've confirmed there are no active services but you're still receiving bills, you should contact AWS Support immediately. You can open a case under "Account and billing" to address your inquiries about unexpected charges. This type of support is available free of charge.

3. When contacting AWS Support, explain your situation thoroughly. Provide details about when you stopped using AWS services and any steps you've already taken to address the issue.

4. If you're certain you want to completely stop using AWS, you can close your AWS account. However, before doing so, make sure to back up any data you might need and delete all resources to prevent further charges.

5. To close your account, you'll need to follow the specific steps outlined in AWS documentation for closing an account. This process will terminate all services and stop future billing.

Remember, simply not using the services doesn't automatically stop billing - you need to actively terminate resources or close the account to ensure no further charges are incurred. If you believe the charges are erroneous, AWS Support can help investigate and potentially resolve the issue.
Sources
how to remove bill on aws account | AWS re:Post
Troubleshooting other issues with AWS accounts - AWS Account Management
I got a bill for AWS free trail | AWS re:Post