Billing Question - Quota

I understand your concern about the high billing charges, particularly for your c4.4xlarge instances. To address this issue, you can reach out to AWS Support by creating a service quota or billing case:

1. Go to the AWS Support Center
2. Choose "Create case" and select "Account and Billing"
3. Choose "Looking for service quota increases?" or select the appropriate billing category
4. Create a case with "Service Quotas" as the service
5. Provide details about your concern regarding the c4.4xlarge instance charges
6. Choose your preferred contact method (Web, Chat, or Phone)
7. Submit your case

While waiting for a response, I recommend:

• Using Cost Explorer to analyze your usage patterns and identify optimization opportunities
• Reviewing if all your c4.4xlarge instances are necessary or if some could be downsized
• Setting up AWS Budgets and billing alerts to monitor spending
• Checking if reserved instances or Savings Plans could reduce your costs for these instances
• Verifying that instances aren't running unnecessarily

AWS Support can help explain your charges and potentially offer guidance on cost optimization strategies for your specific use case.
Sources
Request a service quota increase - AWS Support
unexpected billing price | AWS re:Post
AWS Billing Query | AWS re:Post