AWS NAT Gateway Cost Audit — for DevOps + cloud platform engineers + FinOps at AWS-heavy teams with IaC monorepos.
Premium-tier $149 static audit of your Terraform/CDK/CloudFormation IaC. 10 deterministic patterns: missing S3/DynamoDB Gateway endpoints (FREE endpoints unused), missing ECR api/dkr Interface endpoints (image-pulls routing through NAT = $400/mo each), missing CloudWatch Logs/STS/SSM Interface endpoints, Lambda-in-VPC without endpoints, EKS in private subnets without endpoints, per-AZ NAT redundancy without justification. Recurring AWS data-transfer + NAT processing savings verifiable in AWS Cost Explorer. Industry case: $12K/mo cuts documented (cloudzero/hykell/nops). Live demo on aws-cdk-examples: 486 findings, $164,485/mo.
https://store-v2-khaki.vercel.app/aws-nat-audit.html
Sample report: https://store-v2-khaki.vercel.app/sample-aws-nat-audit-report.html
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Source artifact: 2026-05-20-organic-11-audit_product_aws_nat_gateway_cost_audit-linkedin. Lane: audit_product_aws_nat_gateway_cost_audit.