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FinOps

Cut Your Cloud Bill by 40% in 30 Days

Systematic FinOps approach to eliminating wasted spend across AWS, GCP, and Azure. Real savings from 200+ infrastructure audits.

YE
Yassine El Horma
Lead SRE
15 pages.blog.minRead read
Feb 28, 2025
FinOpsMulti-Cloud

The FinOps Framework

Cloud cost optimization isn't about cutting corners — it's about eliminating waste. In our experience auditing 200+ infrastructures, the average company wastes 35-40% of their cloud spend on idle resources, oversized instances, and zombie infrastructure.

The FinOps framework organizes cost optimization into three phases: Inform (visibility), Optimize (right-sizing), and Operate (governance). We'll focus on quick wins that deliver 40%+ savings in 30 days.

AWS cloud cost optimization waterfall chartAWS cloud cost optimization waterfall chart
AWS Cost Optimization — $23K to $8.8K in 30 Days
38%
Wasted
Typical Cloud Waste Breakdown
Idle Resources35%
Oversized Instances25%
No Savings Plans20%
Orphaned Storage12%
Data Transfer8%

Week 1: Quick Wins (15-20% savings)

Start with Reserved Instances and Savings Plans. If you have steady-state workloads, 1-year no-upfront RIs save 30-40% versus on-demand. For variable workloads, use Compute Savings Plans for 20% savings with full flexibility.

Delete unused resources: old snapshots, unattached EBS volumes, idle load balancers, and forgotten development environments. We routinely find $2K-$10K/month in zombie resources per customer.

Week 1 Quick Wins
Metric
Before
After
Compute
On-Demand
1yr RI/SP -35%
Snapshots
340 GB
12 GB -97%
EBS Volumes
47 unattached
0 Cleaned
Load Balancers
8 idle
0 -$420/mo

Week 2: Right-Sizing (10-15% savings)

Use AWS Compute Optimizer or Datadog to identify oversized instances. Most teams provision for peak and never revisit. Right-sizing from m5.2xlarge to m5.xlarge saves 50% per instance.

For containers on EKS/ECS, implement Horizontal Pod Autoscaling (HPA) and Cluster Autoscaler. Set requests to P50 usage and let the autoscaler handle peaks.

Week 3-4: Architectural Optimization

Migrate stateless workloads to Spot Instances with fallback to on-demand using mixed instance groups. We see 60-80% savings on Spot for batch processing, CI/CD runners, and dev environments.

Implement S3 Lifecycle policies to transition old data to Glacier. Use CloudFront for static assets to reduce data transfer costs. Consider graviton/ARM instances for 20% price-performance improvement.

30-Day Cloud Bill Reduction
Before — Monthly Spend$23,000
After Week 1 (RIs + Cleanup)$18,400
After Week 2 (Right-Sizing)$13,800
After Week 4 (Spot + Arch)$8,800
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