Part 4 of a series of supplemental posts for the AWS Certified Cloud Practitioner Exam Prep. Understanding AWS Billing, Pricing and Support.Part 3 of a series of supplemental posts for the AWS Certified Cloud Practitioner Exam Prep. Understanding AWS Billing, Pricing and Support.Part 2 of a series of supplemental posts for the AWS Certified Cloud Practitioner Exam Prep. Understanding AWS Billing, Pricing and Support.Part 1 of a series of supplemental posts for the AWS Certified Cloud Practitioner Exam Prep. Understanding AWS Billing, Pricing and Support. 