Amazon Simple Storage Service (S3) is a versatile storage solution that can store various types of data such as mobile applications, websites, general archives, and more. With the AWS free tier, users get 5 GB free, including 20,000 get requests and 2,000 put requests. However, S3 pricing can be complicated, with multiple storage classes and plans to choose from. Understanding these options is crucial in selecting the right plan for an organization's needs. There are six S3 storage classes: S3 Standard, S3 Intelligent-Tiering, S3 Standard-Infrequent Access, S3 One Zone-Infrequent Access, S3 Glacier, and S3 Glacier Deep Archive, each with its own characteristics and pricing structures. Choosing the right plan depends on an organization's storage needs and redundancy requirements. The AWS free tier offers a convenient starting point, but users must be aware of their storage needs to avoid unexpected costs. By assessing current data usage and selecting the most suitable plan, organizations can enjoy affordable and secure storage solutions with Amazon S3.