Learn how to set up a comprehensive development environment for React applications using webpack, Babel, and Sass in this detailed tutorial video. Explore essential concepts such as webpack loaders, CSS and Sass integration, React component creation, and production optimization techniques. Follow along as the instructor guides you through building a React math game, organizing components into separate files, and implementing advanced features like CSS extraction and cache-busting. Gain practical knowledge on configuring @babel/preset-env and using Emmet in JSX within VSCode. Access provided GitHub repositories for starter files and the finished product to enhance your learning experience.