In a SaaS analytics product, the Redshift bill tracks how often queries arrive, not how much data they touch. Here is how the meter actually works, why connection pools bill you while nobody is using the product, how to attribute spend to a tenant, and which isolation choices quietly cost more than they save.
AppFlow won the spreadsheet at two integrations. Eighteen months and forty flows later it's a line item that gets mentioned in the monthly review. These three options aren't three prices, they're three cost shapes, and the crossover is the whole decision.
"EC2 – Other" is the third largest line on the bill and you run no EC2 instances. That's NAT gateway charges from a pipeline that is entirely Lambda, S3 and Athena. Five levers for cutting the AWS cost of Salesforce data pipelines, in the order worth pulling them.