My Courses > CustomizeWoo > Module 1 > Lesson 04: Mistakes to Avoid
Spoiler alert: the biggest mistake is not using a child theme. Other methods, tools or plugins are not ideal. Child theme is your “One stop shop“ for placing your customization: it’s easy to backup / find / access.
Please note: English captions are enabled by default (click on “CC” in the video player to disable). Also, you can click on the “gear” icon to manage quality and playback speed. Enjoy!