You have to know more than the people in the videos to use them on many topics.

Example : My son watched a Fender video on changing guitar strings... And needed a new set of strings. I sent the video to my dad while he was helping my son over the phone.

The person playing for a few years did not catch what my dad called slight of hand. The person playing bass longer than I've been alive instantly noticed the problem.

If anyone was wondering, no you do not cut the string while you're changing the strings. Despite what the Fender video says, you wait a few days before you cut the string.