Amar Digamber Patil makes an announcement:
While compute and data storage are already included in the Fabric capacity-based billing model, after April 1, 2025, backup storage will also be billed. However, customers will only be charged backup storage that exceeds the allocated database size.
Click through to see what’s changing and how to get ahead of this. I’m not sure there are any ways to reduce that backup price, short of managing the data in your database and not having enormous amounts of transaction log activity.