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Cloud Cost Optimization: 15 Ways to Cut AWS/Azure Spend 30%

Organizations waste 27% of their cloud spend, according to the Flexera 2024 State of the Cloud report — on idle resources, over-provisioned instances, and forgotten services. These 15 tactics will cut your AWS or Azure bill by 20-30% within 90 days.

Cloud waste is a massive global problem. Flexera's 2024 State of the Cloud report found that organizations waste 27% of their cloud spend. For a company spending $100,000 per year on AWS or Azure, that is $27,000 in avoidable cost.

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The 15 Cloud Cost Optimization Tactics

Rightsizing (saves 15-25%): Analyze CPU and memory utilization — most VMs run below 40% CPU consistently. Implement auto-scaling to add capacity during peaks and scale down overnight. Right-size databases, which are the most commonly over-provisioned resource.

Reserved Instances and Savings Plans (saves 30-40%): Purchase 1-year reserved instances for predictable workloads (saves 30-40% vs on-demand). Use AWS Savings Plans for flexible discounts. Use Azure Hybrid Benefit for Windows Server and SQL Server workloads to reuse on-premises licenses.

Storage Optimization (saves 20-40%): Implement S3/Azure Blob lifecycle policies to automatically move infrequently accessed data to cheaper tiers. Delete unattached storage volumes. Compress and deduplicate data before cloud storage.

Waste Elimination (saves 10-20%): Audit and terminate zombie resources — load balancers, elastic IPs, NAT gateways, and old snapshots that accumulate silently. Implement resource tagging to track costs by team and project. Schedule dev/test environments to shut down outside business hours.

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Architecture Optimization (saves 20-50%): Migrate eligible workloads to serverless (Lambda/Azure Functions). Use Spot instances for fault-tolerant batch workloads at up to 90% discount. Implement a FinOps practice with monthly cost reviews.

Quick Wins This Week

Rightsizing obviously over-provisioned instances, deleting unattached storage volumes, and turning off dev/test environments after hours will typically save 15-20% of cloud spend with minimal risk.

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