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Cost efficient resources

You should use the appropriate resources, instances, and managed services to save on costs.

AWS provides a vast variety of cost-efficient and flexible pricing options to use EC2 instances as per your requirements:

EC2 instances	Description
On-demand instances	Pay per hour; no minimum commitments
Reserved instances	Reserved capacity; 1- or 3-year commitments; save up to 75% off then on-demand instance
Spot instances	Can bid for unused Amazon EC2 instances; on-demand instances at a discounted price; no minimum commitments; Useful for spot block, fleet, big data

You can regularly review AWS usage by monitoring the resource utilization and adjusting the deployments by using AWS Trusted Advisor. ...

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