S3 Glacier Instant Retrieval vs Standard-IA: A No-Nonsense Cost Breakdown for Engineers

https://highstylife.com/dealing-with-s3-eventual-consistency-before-the-2020-update-pragmatic-patterns-that-actually-worked/

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