How do you reduce AWS costs at a small startup?

Why do small startups overspend on AWS?

Small startups overspend on AWS mostly because nobody owns the bill: resources get created for a test, a demo or a migration and are never removed, and defaults chosen in a hurry stay forever.

Flexera's 2026 State of the Cloud report estimates that 29% of cloud spend is waste, and that figure rose for the first time in five years.

The good news is that the first round of savings rarely needs clever engineering. It needs someone to look. The guide on why cloud waste is rising covers the wider picture.

Where should a startup start when reducing AWS costs?

Start by finding where the money goes, using Cost Explorer grouped by service and then by usage type, before changing anything.

Cutting blind usually means saving a little on a small line while the real cost carries on.

The step-by-step method is in how to work out which service is driving your AWS bill. Write down your top five cost lines; that list becomes the plan.

What are the quickest ways to reduce AWS costs?

The quickest ways to reduce AWS costs are removing things nobody uses and turning off non-production environments when nobody is working.

These changes carry little risk and often show up on the next bill.

How do you rightsize AWS instances and databases safely?

Rightsize AWS instances and databases by looking at real CPU, memory and connection use over several weeks, then stepping down one size at a time and watching.

AWS Compute Optimizer gives rightsizing recommendations for EC2 instances, Auto Scaling groups, RDS and more, at no additional charge, based on recent CloudWatch metrics.

• Check peak use, not the average: a database that idles all day but spikes at 9am needs the headroom.
• Change one thing at a time, ideally through infrastructure as code, so you can roll back.
• Rightsize staging and preview environments first; they are usually the most oversized.
• For containers on ECS, look at task CPU and memory reservations as well as the instances or Fargate size.

Is switching to AWS Graviton worth it for a small startup?

Switching to AWS Graviton is often worth it for a small startup whose code runs on Linux in containers or managed runtimes, because AWS says Graviton-based EC2 instances provide up to 40% better performance at up to 20% lower cost than comparable x86 instances.

Managed services such as RDS also offer Graviton instance types.

The work is mostly in your build: container images need to be built for arm64, and any native dependencies need arm64 versions. Try it on staging first and compare real response times and costs before moving production.

When should a startup buy AWS Savings Plans?

A startup should buy AWS Savings Plans only after cleaning up and rightsizing, and only for the part of its usage that has been steady for a few months.

Committing first locks in a discount on resources you might have deleted next month.

Start small, with a commitment that covers the floor of your usage rather than the average, and review it each quarter. Savings Plans or Reserved Instances compares the options for a team spending under £10k a month.

How do you keep AWS costs down after the first clean-up?

Keep AWS costs down after the first clean-up with three habits: a budget and anomaly alerts, tags on every resource, and a short monthly review of the bill.

Without them, waste builds up again within months.

How to stop a surprise AWS bill covers the alerts, and the monthly AWS cost review checklist covers the review.

Has your startup done the basics of AWS cost reduction?

Tick each item that is true for your account today.