My first suggestion is to publish English translations of courses like "Ferramentas que otimizam o trabalho no Autocad", which I think says 'Fundamentals of optimizing our work with AutoCAD. I would like to get in on that one, but I don't speak Portuguese.
I would like to get in on a class for AEC drafters who want to improve their speed and accuracy in drafting electrical, HVAC, piping, schematic and single line layouts. There have to be many factors entailed in the planing and preparation for both the drawing and the drafter. What are the habits and qualities of someone who can sail through a drawing with zero mistakes? What's the key? Tips and tricks and new routines are great, but that's not what makes a "productive" draftsman. What does?