# 18 – Evaluate SAP compute resources for cost efficiency
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 **How do you assess compute and storage options for your SAP workloads?** When implementing or migrating SAP to AWS, you should select cost-effective EC2 instances and storage solutions for the SAP workload to meet your cost targets. 


| ID | Priority | Best Practice | 
| --- | --- | --- | 
| ☐ BP 18.1 | Required | Understand the payment and commitment options available for Amazon EC2 | 
| ☐ BP 18.2 | Required | Use cost as a key consideration for EC2 instance selection | 
| ☐ BP 18.3 | Highly Recommended | Evaluate licensing impact and optimization options | 
| ☐ BP 18.4 | Highly Recommended | Evaluate the cost impact of storage options based on the required characteristics |