Why you’re spending too much on AWS (and how to fix it)

If you feel like you’re spending too much on AWS, you’re probably not imagining it. AWS costs can grow quickly when services are left running, logs build up, storage increases, or traffic rises.

The difficult part is that AWS bills do not always explain the reason clearly. You may see the total increase before you understand which service caused it.

Go see your AWS bill now!
Quick answer: You’re usually spending too much on AWS because unused resources, growing storage, logs, compute, data transfer, or databases are increasing your monthly bill.

Why AWS costs feel too high

AWS charges based on usage. That means your cost depends on what your infrastructure is doing, not just what you remember setting up.

A bill can rise because of more traffic, longer-running servers, larger databases, growing backups, or services you forgot were still active.

This is why many users end up searching for why their AWS bill increased or why AWS is so expensive this month.

Where the extra spend usually comes from

  • EC2: instances running when they are not needed
  • S3: storage and requests growing over time
  • CloudWatch: logs being stored for too long
  • RDS: database storage, backups, and idle capacity
  • Data transfer: traffic leaving AWS
  • NAT Gateway: hidden traffic-related charges

Spending too much does not always mean one huge mistake

A high AWS bill is often caused by several small problems adding up.

For example, one unused EC2 instance might not look terrible on its own. But combine that with old snapshots, CloudWatch logs, data transfer, and growing S3 storage, and your bill can become much higher than expected.

That is why your situation may also look like an unexpected AWS bill or an AWS cost higher than expected.

Costs to check first

  • Unused EC2 instances
  • Unattached EBS volumes
  • Old EBS snapshots
  • CloudWatch log groups
  • NAT Gateway usage
  • Idle load balancers
  • Large RDS backups

How to find what is wasting money

  1. Open AWS Cost Explorer
  2. Compare this month with last month
  3. Group costs by service
  4. Look for the biggest increase
  5. Check usage type and region

Example: spending too much on AWS

  • Last month: £180
  • This month: £390
  • EC2 +£120 because instances were left running
  • CloudWatch +£45 because logs were retained too long
  • S3 +£30 because storage kept growing
  • Data transfer +£25 because more traffic left AWS
  • Recommendations: stop unused compute, reduce log retention, delete old snapshots, and review data transfer

How to reduce AWS spend safely

The safest way to reduce AWS spend is to identify the exact service causing the increase before deleting or changing anything.

  • Stop unused EC2 instances
  • Delete unattached EBS volumes
  • Remove old snapshots you no longer need
  • Shorten CloudWatch log retention
  • Review S3 storage classes
  • Check NAT Gateway and data transfer usage

This helps lower your bill without randomly removing resources that your application might still need.

Use ExplainMyBill.ai

ExplainMyBill.ai helps you see why you’re spending too much on AWS by comparing your costs and explaining what changed in plain English.

Instead of guessing through AWS billing dashboards, it shows which services increased and what to check next.

Go see your AWS bill now!

FAQ

Why am I spending too much on AWS?

You are likely paying for unused resources, growing storage, logs, compute, databases, or data transfer.

Can AWS costs rise without me noticing?

Yes. AWS costs can grow in the background through logs, storage, backups, traffic, and running services.

What should I check first?

Start with AWS Cost Explorer and group your costs by service to see which one increased the most.