AutoCAD Tips and Tricks
Autodesk's Jeff Bartels covers a detailed review of 30 AutoCAD tips, tricks, and keyboard shortcuts in 30 minutes.
See the Jeff Bartels YouTube Channel.
and the Civil Immersion blog.
You might learn something surprizing and important in this video.
Most, but not all, of Jeff's tips and tricks are focused on methods to help you get annotative work done and done quicker in this session.
Here's my favorite tip that is not in there - Open the help file and Read about Anything for 5 minutes or less every day.