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How do I avoid future charges when I use the AWS Free Tier?

3 minute read

I want to know how I can make sure that I'm not billed when I use the AWS Free Tier.

Short Description

Free Tier can incur costs in the following scenarios:

Free Tier or Always Free service usage exceeds the service limits
The Free Tier expires
The service trial period is over

Resolution

To make sure that you don't incur unexpected charges when you use Free Tier services, use the following best practices:

Understand the Free Tier limits

Familiarize yourself with the specific usage limits for each service included in the Free Tier. Because these limits can vary by service and might change over time, regularly check the Free Tier page for the most up-to-date information. For more information, see Control your AWS costs.

Be cautious with services that aren't included in the Free Tier

Some AWS services aren't part of the Free Tier. Be careful when you use these services to avoid unexpected charges.

Understand the difference between Free Tier and Always Free

Some services offer a limited free usage for 12 months, while others are always free up to certain limits. Make sure that you understand which category each service falls into. For more information, see Trying services using AWS Free Tier.

Set up billing alerts

Use AWS Budgets to create custom budgets and set up alerts that notify you when your usage approaches or exceeds the Free Tier limits. This proactive approach can help you avoid unexpected charges. For more information, see Create a billing alarm to monitor your estimated AWS charges.

Monitor your usage

To track your usage across services, regularly check your AWS Billing and Cost Management dashboard. The AWS Cost Explorer tool can provide detailed insights into your resource consumption.

Terminate unused resources

Be sure to shut down or delete any resources that aren't actively in use. For example, Amazon Elastic Compute Cloud (Amazon EC2) instances, Amazon Elastic Block Store (Amazon EBS) volumes, or Amazon Relational Database Service (Amazon RDS) databases. Even if these resources are idle, they might still incur charges.

Use AWS Trusted Advisor

AWS Trusted Advisor provides real-time guidance to help you provision your resources through AWS best practices, including cost optimization recommendations.

Use the AWS Pricing Calculator

Before you deploy resources, use the AWS Pricing Calculator to estimate the cost of your AWS usage based on your expected consumption.

Turn on MFA in IAM policies

Implement AWS multi-Factor authentication (MFA) in AWS Identity and Access Management (IAM) to prevent unauthorized access that could lead to unexpected resource usage and charges.

Consider AWS Organizations

If you're managing multiple accounts, then you can use AWS Organizations to apply service control policies across accounts to control service usage and spending.

Important: While these practices can help you manage your Free Tier usage effectively, it's your responsibility to monitor your usage. If you have specific concerns or questions about your usage or potential charges, then contact AWS Support.