Your AWS bill is lying to you — it shows services, not features

Our AWS bill crossed $180K in a single month. We had Datadog. We had CloudWatch dashboards. We had a PagerDuty integration, three runbooks, and a Grafana board that took an intern two weeks to build. We had observability . What we didn't have — what I didn't realize we were missing until our CFO sent a Slack message on a Tuesday afternoon — was any idea which product feature was responsible for which dollar. She didn't ask why our p99 latency was 230ms. She asked: "Which feature drove the $34K j