# COST 10  How do you evaluate new services?
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As AWS releases new services and features, it's a best practice to review your existing architectural decisions to ensure they continue to be the most cost effective.

**Topics**
+ [COST10-BP01 Develop a workload review process](cost_evaluate_new_services_review_process.md)
+ [COST10-BP02 Review and analyze this workload regularly](cost_evaluate_new_services_review_workload.md)