The unexpected billing issue

I understand your concern about the unexpected billing charge. This is a common issue for those learning to use AWS services. Here are some steps you can take to address this situation:

1. Immediately review and delete any resources you are no longer using to prevent further charges.

2. Use the Cost Explorer in the Billing and Cost Management console to identify which specific resources incurred the higher costs.

3. Open a support ticket with AWS under the Account & Billing category. Explain that you are a student using AWS for learning purposes and request assistance with the unexpected charges. AWS is often supportive of students and may consider waiving the charges as a one-time exception.

4. For future use, set up billing alerts and budgets in your AWS account to notify you if resources are left running and accumulating charges beyond your expected usage.

5. Always check the pricing page or use the AWS Pricing Calculator before using any new services to understand potential costs.

6. Be aware that while AWS offers a Free Tier for some services, many have limitations. Make sure you understand these limits to avoid unexpected charges.

7. Consider signing up for a student account if you haven't already, as this may provide you with some free credits.

Remember, AWS services do cost money to use, and it's important to monitor your usage carefully. If you're unable to resolve the issue through these steps, continue to work with AWS support to find a solution.
Sources
unexpected billing price | AWS re:Post
I am using aws as learning. But i have no knowledge about billing. suddenly i saw aws billing dashboard Amount USD 118 is charge please remove this amount because i am a student. I have no money to p | AWS re:Post
Showing payment 500 INR | AWS re:Post

Hello.

I have also provided a similar response at the URL below, but since AWS re:Post is a community forum site, it cannot provide refunds for AWS fees.
https://repost.aws/ja/questions/QUZvUjhCCpSkSlOlJB8tRTgg/the-unexpected-billing-issue

If you experience unexpected charges on your AWS account, you should contact AWS Support.
When contacting AWS support, you can do so free of charge by opening a case under "Account and billing."
Please contact AWS support via the following URL:
https://console.aws.amazon.com/support