Here’s one:
Use Hotkeys!
This doesn’t mean, that you need to learn all the Hotkeys before you can do anything, but that each time you do something, look at the Hotkey for that operation (the Search Menu, for instance gives most, if not all Hotkeys). That way you will automatically learn the Hotkeys for what you use the most. If there is no Hotkey for something and you find that you are using it a lot, you can assign your own Hotkey, or just put it in your Quick Favorites.
