This is too biased for me IMHO. I do agree with some points, documentation IS amazing, and you are very likely under-documenting things. But documentation is not cheap to create, and specially it's not cheap to maintain. I've worked in multiple companies where the problem was too much documentation, and of course everyone was afraid to update or ghasps remove any piece of old documentation in case it... - Source: Hacker News / about 1 year ago

Here are a few resources worth checking out: https://callieexas.com (check her Insta too), https://asktia.com (they also have a good Insta), Period Repair Manual by Laura Briden. Source: almost 3 years ago