And I'm sure I don't know everything!
NO! Say it ain't so...
With all the work, advancement, added features, etc., making such a guide could end up being either labor intensive keeping up with it or having it become obsolete, at least to some extent, sooner rather than later. Along with the the fact it could all go out the window if/when we see a 3D sketcher. As triplus mentions -
Practice indeed. Without this no guide will help.
Just keep using it and visit the forum regularly and you'll get the hang of it quickly. I'm still picking up on new things here and there but in the mean time, the very basics will usually get you a model that works and once there,
resilient design will come. Maybe for now, you can take the Thomas Edison