A case study cutting ElastiCache cost over 6x across 200+ clusters through rightsizing, Redis to Valkey conversion, and reserved instances, with the numbers for each lever.
A real Aurora Serverless to provisioned conversion that cut database cost from $450 to $100 a day and improved query latency, plus when Serverless is the right call.
How old logs sitting in S3 Standard quietly cost thousands a month, and how a few lifecycle rules on the right buckets and prefixes cut S3 cost by over 90%.
How we find zero-connection and idle RDS databases across dozens of instances and multiple regions, and the savings that come from deleting and rightsizing them.
Cross-AZ data transfer between instances and their databases can cost tens of thousands a year. How we find it by tag and fix it with a same-AZ replica and failover.
For spiky web and API workloads, moving off Fargate or EC2 to Lambda behind CloudFront often cuts compute cost 10x or more. How we estimate it before committing.