The video tutorial explains the importance of avoiding hardcoding URLs in your code to prevent redundancy and ease maintenance. It suggests creating a config folder to store constants like the API base URL, which can be exported and imported across the application. The tutorial also covers using template literals for dynamic variables in JavaScript and concludes with a functionality check to ensure everything works as expected without errors.

What is the significance of using dynamic variable templates in JavaScript?

How does changing the server base URL in one place affect the application?