If your AWS bill has been growing month over month and you cannot pinpoint the cause, your S3 buckets are usually where the investigation starts. Most engineering teams configure storage during the early stages of a project and move on without ever setting a lifecycle rule. Over time, application logs pile up, backup files accumulate, and processed media sits untouched in S3 Standard at the same price you pay for live production data.

For cloud engineers and solutions architects, this is not just a billing problem. It is a governance gap. Without a tiering strategy, your team is paying premium storage rates for data that nobody has accessed in months.

S3 Lifecycle Policies are the most direct way to fix this.…