Cost Optimization Guidelines for Amazon S3 - AWS Online Tech Talks

Effective cost optimization across Amazon S3 storage classes can require different approaches, depending on application latency and access patterns. Every S3 Storage Class supports a specific data access level at corresponding costs, for example storing mission-critical production data in S3 Standard for frequent access, saving costs by storing infrequently accessed data in S3 Standard-IA, automating cost savings with Intelligent-Tiering, and archiving data at the lowest costs in the archival storage classe