SL#116 - AWS Services (12/120) - Amazon S3 Glacier: Archive Tiers, the Retrieval Bill Nobody Models, and a Restore You Can Time

A definition-first reference to the three S3 Glacier storage classes, plus a runnable boto3 build: an archival lifecycle rule, a Bulk restore with a timer, and a cost model you can run before you archive anything. Plan for about 30 minutes of hands-on time, plus a few hours of waiting.