AWS Cost Optimization

Apply practical FinOps controls to reduce AWS spend without sacrificing reliability or performance.

When to Use This Skill

• Monthly AWS bill spikes unexpectedly or exceeds budget thresholds
• Preparing cost reviews with engineering and finance teams
• Rightsizing EC2, RDS, EKS, or Lambda workloads after load testing
• Choosing between Savings Plans, Reserved Instances, or on-demand pricing
• Setting up automated budget alerts and anomaly detection
• Cleaning up unused resources (unattached EBS, idle load balancers, old snapshots)
• Optimizing data transfer costs across regions and AZs

Prerequisites