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3 "Rookie Mistakes" That Cause AWS Free Tier Bill Shock.

A quick guide to avoiding unexpected Free Tier charges. Don't let a forgotten resource ruin your cloud learning journey!

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We’ve all been there: you spin up a few resources to test out a tutorial, close your laptop, and wake up weeks later to a surprise bill. When you are just starting out on AWS, managing costs is just as important as managing infrastructure.
Here are the top three mistakes to avoid:
  1. Orphaned EBS Volumes: Terminating an EC2 instance doesn't always delete the attached storage. Always check the box to "Delete on Termination" or manually clean up your Elastic Block Store (EBS) volumes.
  2. Leaving NAT Gateways Running: NAT Gateways charge an hourly rate plus data processing fees. If you build a VPC for a lab, tear the gateway down the second you are done.
  3. Forgetting Billing Alerts: Before you build anything, set up AWS Budgets. Creating a zero-dollar or $1 budget alert takes two minutes and will email you the moment you cross the Free Tier threshold.
Question for the community: What was the resource that caused your first unexpected AWS bill? Let me know in the comments! (And drop a like if this saved you a few dollars today!)
Any opinions in this article are those of the individual author and may not reflect the opinions of AWS.
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