You’ll certainly agree that Frontend Builder is extremely valuable feature help you to save a lot of time when creating your own store.
First of all, it allows you to get rid of complicated steps to configure your site with minimal coding experiences required. Instead of login in the back-end, the fabulous feature allows you to build and configure Homepage, Category page, Product page, CMS pages straightly and visually at front-end. Also, it allows you to select header & footer for the website using available multiple headers or add/ edit new headers, footers as you wish. By this way, you can experience the true “What you see is what you get” and forget about “blind design”.
The second and, possibly, more advantageous benefit is that you can upgrade your site with tons of Magento 2 extensions and configure the pages on your own basing on available layouts and 19+ available components. Easily you just need to combine these elements to create any pages as your expectation.