AWS & Multi-Cloud • 8 min read • Published 2026-07-20

AWS Cost Optimization Guide: Slicing Cloud Spend Without Compromising Reliability

Actionable strategies for analyzing AWS bills, right-sizing EC2 instances, eliminating idle NAT Gateway costs, and building hybrid architectures with SlikWeb.

Taming the Uncontrolled Cloud Bill

Amazon Web Services (AWS) provides unprecedented elastic capabilities, but without rigorous operational governance, multi-region data egress, unattached EBS volumes, and oversized compute instances quickly inflate monthly invoices.

Top AWS Cost Drivers We Identify During Infrastructure Audits

1. NAT Gateway Data Processing Charges: AWS charges $0.045/hour plus $0.045 per GB of data passing through NAT Gateways. Moving inter-service traffic to VPC Endpoints (PrivateLink) or S3 Gateway Endpoints can save thousands per month. 2. Unused Provisioned IOPS (gp3 vs io2): Migrating legacy gp2 volumes to modern gp3 immediately reduces storage costs by 20% while providing 3,000 baseline IOPS for free. 3. Idle Load Balancers and Orphaned Snapshots: Automated lifecycle policies clean up snapshots older than 30 days and terminate idle ALB instances.

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