AWS Billing Discounts Most Teams Miss (2026 Guide)
AWS billing discounts beyond Compute Savings Plans: Database Savings Plans, reserved capacity, CloudFront plans, credits, Private Pricing and Spot.
Articles on Reserved Instances
Everything on the Kostrix blog tagged Reserved Instances, newest first.
Reserved Instances vs Savings Plans: How to Choose
Reserved Instances vs Savings Plans for EC2: discount ranges, flexibility, RI Marketplace resale, coverage vs utilization, and how to size a commitment.