Written guide -
https://docs.google.com/document/d/1Tgu6sgy6XNpgVcnlZpUMM7JtqNKoGsXT-keD-rcpm1A/edit?usp=sharing
It contains all of the needed files as well as all info covered in this video. It has less and is more concise.
The video is to show possibilities as well workflow to minimize mistakes. I believe this is easily accessible and do-able for anyone regardless of skill level.
Chapters
0:00 - Set-up
3:14 - Editing in-game
12:19 - Console edit method
14:01 - Saving as a mod
17:43 - Test and closing statements