Establishing a Billing Strategy for Multiple Accounts
As was detailed in the previous section, centralized billing brings a lot of benefits, and for most organizations, it is a given. That said, there are a number of best practices to consider when building your account structure and formulating a billing strategy.
First, avoid using an individual’s email address as the account email address to ensure continuity of communication from AWS. Instead, use a group alias for a functional mailbox. Individual email addresses can lead to issues related to the availability of the individual as well as business continuity for the enterprise. Suppose the individual leaves the company. The process of regaining root access to the account associated with that individual can be painstaking for the enterprise. Therefore, it is better to use a group alias as an account email address and for all the email notifications configured on your accounts.
Second, tag your AWS resources following...