Most conversations about migrating to the cloud start with cost savings. Although, in reality, it's not the most compelling reason to move to the cloud, it's definitely the first thing on the minds of executives who are making the decisions and writing the checks. In an environment where you can spin up thousands of new resources in minutes at the click of a button, you can just as easily run up a high bill if you aren't careful.
Study the cost optimization pillar of the AWS Well-Architected Framework to learn how to be careful.
If you have just started researching a move to the cloud and you have done a few simple back-of-the-napkin calculations, you may be scratching your head and wondering where the reported cost savings ...