Help rig characters or props
Learn how to add a driver Talks about adding drivers if something can be key framed.
More examples of how to set up a driver to drive light intensity and moving objects.
THis video gives a great example of when to use a driver to fix a problem like the arm pits bunching up when moving the arm.
Learn tho use drivers, Helps automate things like automate lights flickering This is a very powerful way to animate things in the background.
Super important video on how to make an animation and control the animation with a single controller. makes animating much easier with one controller. (Think transformers with one controller slider etc)