In this chapter, we learned about the overall use cases for sandboxes and how to create them. We discussed the four types of sandboxes, their differences, and the use cases for each type. Then we learned that the main use case for sandboxes is building and configuring features without disrupting the production environment. We saw that once we are done building these features in a sandbox, we can use change sets to move their features.
By doing this, we learned how to create change sets, how to upload the change sets to production, and how to deploy the change sets. These skills will help you build and test your configuration and automation features in a safe environment where you cannot disrupt users and push those features to users with the confidence that they will work in production.
In the next chapter, we will learn about some of the most common configuration changes...