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7 AWS Cost Mistakes Beginners Should Avoid Before Deploying Their First Project

Starting with AWS is exciting — until you realize that “Free Tier” doesn't mean “nothing can ever cost money.”

When I started working with AWS, one of the biggest lessons I learned was that understanding cost management is just as important as learning the services themselves.
Here are 7 things I now check before deploying an AWS project:

1. Check the AWS Free Tier

Before creating a resource, I check whether it is included in the current Free Tier and what usage limits apply.

2. Check the AWS Region

Pricing can vary between regions. I make sure I'm deploying resources in the region I actually intend to use.

3. Delete resources I don't need

Testing something for 10 minutes doesn't mean the resource will automatically disappear afterward. I check for unused resources and delete them when I'm finished.

4. Watch for storage and snapshots

Storage-related resources can remain even after the main resource is deleted. Snapshots and other retained data are worth checking separately.

5. Set up billing alerts

A billing alert can help you notice unexpected usage before it becomes a bigger problem.

6. Understand what “serverless” actually means

Services such as Lambda don't require you to manage servers, but they can still have usage-based pricing. Serverless doesn't automatically mean free.

7. Check your resources regularly

One of my habits now is to periodically review what I've created instead of assuming everything is free.

What I'm learning

AWS isn't just about learning how to deploy applications. It's also about understanding cost, security, monitoring, and responsible resource management.
For anyone starting AWS, I'd recommend learning basic cost management alongside the technical services.
Any opinions in this article are those of the individual author and may not reflect the opinions of AWS.
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