Cloud Cost Optimization Checklist
Reduce your cloud bill. Unused resources, right-sizing, reservations, and alerts. A practical checklist.
What this problem means
Cloud costs add up. Unused resources, over-provisioned instances, forgotten dev environments, and no alerts. A cost optimization checklist helps you find and fix the most common waste.
Why this matters
- Waste: Unused EBS volumes, idle RDS instances, forgotten EC2—often 20-30% of spend.
- Surprise bills: Without alerts, you find out when the invoice arrives.
- Scale: As you grow, waste compounds. Fix habits early.
Real-world example
A startup ran a cost optimization review. They found $3,000/month in unused EBS volumes, idle RDS instances, and dev resources running 24/7. They shut them down and cut their bill by 35%. A simple checklist would have caught it earlier.
How to fix it
1. Unused resources: Identify and delete unused EBS volumes, Elastic IPs, snapshots. Shut down dev/staging when not in use.
2. Right-sizing: Review EC2, RDS, Lambda memory. Are you over-provisioned? Use Cost Explorer and recommendations.
3. Reservations (if stable): For predictable workloads, Reserved Instances or Savings Plans can save 30-50%.
4. Data transfer: Outbound data is expensive. Check for unexpected egress.
5. Alerts: Set up budget alerts at 50%, 80%, 100%. Enable Cost Anomaly Detection.
Tools and configurations
- AWS Cost Explorer: Identify top cost drivers. Use recommendations.
- AWS Cost Optimization Hub: Recommendations for savings.
- AWS Budgets: Alerts at 50%, 80%, 100%.
- Tagging: Tag resources for cost allocation. Find untagged = often forgotten.
Common mistakes
- No cost visibility—ignoring until the bill arrives.
- Leaving dev resources running 24/7.
- Over-provisioning "to be safe."
- No alerts.
Quick checklist
- [ ] Identify and delete unused EBS, snapshots, Elastic IPs
- [ ] Shut down dev/staging when not in use
- [ ] Right-size EC2, RDS, Lambda
- [ ] Set up budget alerts
- [ ] Tag all resources
- [ ] Review Cost Explorer weekly
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Frequently asked questions
- What is cloud cost optimization?
- Reducing cloud spend by eliminating waste (unused resources), right-sizing (matching instance size to need), and using reservations for predictable workloads. Start with visibility and alerts.
- How do I reduce my AWS bill?
- Delete unused resources (EBS, snapshots). Shut down dev when not in use. Right-size instances. Set up budget alerts. Use Cost Explorer to find waste.
- What are the most common cloud cost wastes?
- Unused EBS volumes, idle RDS/EC2, forgotten dev resources, over-provisioned instances, and unexpected data transfer. Cost Explorer and tagging help find them.