AWS Cost Optimization: 15 Tactics to Cut Your Bill This Quarter | Harness Blog

AWS cost optimization involves reducing unnecessary cloud spending while maintaining workload performance, availability, and reliability through a combination of resource management, pricing strategies, storage and network optimization, and continuous cost visibility. The 15 recommended tactics include rightsizing EC2 instances before purchasing Savings Plans or Reserved Instances, using Spot Instances for interruption-tolerant work, scheduling non-production environments, matching S3 storage classes and lifecycle policies to access needs, removing unused EBS volumes, migrating eligible gp2 volumes to gp3, and reducing NAT Gateway and cross-Availability Zone transfer charges. AWS tools such as Compute Optimizer, Cost Explorer, Cost and Usage Report 2.0 data exports, cost-allocation tags, budgets, and Cost Anomaly Detection support investigation, accountability, and early detection of unexpected spending. Savings Plans offer greater flexibility for predictable compute demand that may change over time, while Reserved Instances can suit stable workloads with specific configurations. The piece emphasizes that savings vary by workload and that continuous governance is needed, presenting Harness Cost Management Agent as a complementary platform for cross-environment visibility, automated remediation, and policy-based cost controls, with customer examples reporting significant annualized savings.

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