Most companies migrate to the cloud to reduce IT infrastructure costs since the Cloud is the new normal for all-sized businesses. The top 5 reasons why migrating to the cloud are: 1) Cost efficiency, 2) Scalable & flexible, 3)Resilience, 4) Live collaboration, and 5) Security. AWS Pricing Model varies in the migrations and depends on the service that you are using. These prices can be calculated by different methods, but the main one is for the time of usage, as Amazon (AWS) says so, you pay for what you use.