If you have ever tried to build a tool to find wasted AWS spend, you learn quickly that the API calls are the easy part. DescribeVolumes , GetMetricData , a few paginated List calls, and you are done. The hard part is deciding when you are actually allowed to put a dollar sign next to a finding...
Source: [Dev.to](https://dev.to/kirkle/read-only-by-design-how-i-put-a-dollar-figure-on-aws-waste-without-guessing-1en8)