AWS platform provides a set of tools to help monitor and analyze your costs. These include the AWS TCO Calculator, the simple monthly calculator (described in Chapter 2, Designing Cloud Applications – An Architect’s Perspective), AWS billing console, which shows you an itemized bill, and AWS Cost Explorer, which gives you costs trends information across different time periods.
EC2, S3, CloudFront, and so on offer volume pricing tiers at lower price points based on usage. If the payer account combines usage from all the subaccounts, then you can get these discounts automatically using consolidated billing (with no additional effort involved).
The TCO calculator can be used to compare on-premise versus on-cloud ...
