Seeking Feedback on FPV Resource Document for Beginners

Working on a googledoc containing a list of assorted stuff for fpv(for my friend, will fly outdoors, and has some experience on a phone with skydive), any feedback? https://docs.google.com/document/d/1LOb6KfK-4K9rfkLr43pL_VlnxMrZ-C3nNxznbk2cncs/edit?usp=sharing