AWS provides a variety of instance types optimized for different use cases. Regularly review your instances and choose the right type and size based on your application's actual resource requirements.
Purchase Reserved Instances for steady-state workloads with predictable usage patterns. When compared to On-Demand instances, RIs can provide significant cost reductions.
Use resource tagging to categorize and track costs. This enables you to identify the purpose and owner of each resource, facilitating better cost allocation and management.
Leverage AWS Cost Explorer to analyze and visualize your AWS usage and spending. It provides insights into your cost drivers and helps in making informed decisions to optimize costs.
Leverage AWS Budgets and AWS Organizations to set cost controls, track spending, and enforce policies across multiple accounts.