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A 22-account AWS Organization spent $1.1M/yr on Compute Savings Plans but applied only 61% to production — dev sandboxes burned the commit while prod stayed On-Demand. Group Sharing (April 2026) fixed attribution; the waste was $312k/yr before they restructured purchases.
Anonymized Series A SaaS bill: ~$40k/month for ~$8–9k of real work. July 2026 refresh — free S3/DynamoDB gateway endpoints, EBS zombies, RDS rightsizing, Trusted Advisor on Business Support+.
A healthcare estate was burning ~$200k/year on NAT. July 2026 refresh — NAT still ~$0.045/GB, free S3 gateway endpoints, Secrets Manager interface endpoints, and a VPC fix pattern that cut ~78%.
A mid-size retailer spiked to $87k in November from three data-transfer traps. July 2026 refresh — CloudFront hit-rate math, Origin Shield pricing, cross-AZ ECS, and Transfer Acceleration misuse.