Summary

In this chapter, you learned the basics of an AWS account and the benefits of using multiple accounts. Structuring your AWS accounts will depend on your organization. You might segregate accounts by BU, application, application function, or a combination of these, and more.

You learned how to manage your accounts with AWS Organizations, group them through OUs, and use AWS Control Tower to quickly set up a multi-account environment.

You further learned how billing works with AWS Organizations. You can view usage by account from the management account and take advantage of volume-tier discounts through aggregated use.

Organizing accounts is the first step toward reducing waste since all resources are associated with an account. Possessing good account hygiene helps find wasteful and lost resources that may become forgotten due to employee turnover or organizational changes.

Now that we have the foundation set with a multi-account environment, we can begin to understand...