Anna demonstrates how to avoid charges when using AWS Free Tier services. She covers different types of offers, usage limits, and how to monitor your bills. The video explains the 12-month Free Tier, Always Free offers, and short-term trials. Anna emphasizes the importance of understanding usage limits and shows how to set up billing alerts to prevent unexpected charges. She also walks through accessing and understanding your AWS bills.

00:00 Introduction
00:19 Types of Offers
01:36 Usage limit
05:07 Bills
06:05 Closing