AWS / S3存储和带宽的详细计费信息

I have thousands of customers with resources being stored on AWS/S3. I want to be able to see how much bandwidth and storage those customers are costing me. I can't use buckets since that is limited to 100. I can't use tags because that is limited to 10/bucket. What strategy can I use to get the information I need to track costs?I have thousands of customers with resources be