A common concern when using AWS is accidentally ticking the wrong box on a service and end up owing thousands of dollars. This is especially true for those of us experimenting with AWS using free tier.
I recently found out about the new AWS Budgets feature that allow you to set up alerts when your spending exceeds a certain amount. Great for being pro-active and should probably be the first thing anyone does when setting up an AWS account. I created a video showing how to set it up in the console: https://youtu.be/FVwdlJ8lM0Q Hope this helps some, and RIP the guy who spent 60k accidentally