S3 Glacier Instant Retrieval vs Standard-IA: A No-Nonsense Cost Breakdown for Engineers
https://s3.amazonaws.com/column/how-high-traffic-online-platforms-use-amazon-s3-for-secure-scalable-data-storage/index.html
How rarely accessed data can drive 25-40% of your storage bill The data suggests cloud bills are increasingly dominated by storage for infrequently accessed data