How to delete old data from DynamoDB without spending thousands

The post discusses how to manage and reduce storage costs in DynamoDB by migrating necessary data to a new table and deleting outdated data. Three approaches are explored: doing nothing, deleting bad items directly, and migrating good items to a new table. Each method's costs and benefits are evaluated, emphasizing the importance of setting expiration dates for new data and accurately estimating costs prior to starting cleanup work.