I've never had a guitar lesson and mostly play by ear. Because of this, I know a few scales, but I know next to nothing concerning music theory. What online resources do you all like for learning why to play what, and not just what to play (if that makes any sense). I'm looking for something that I can do at my own pace, and not 1-on-1 lessons, since my work schedule can be random, creating scheduling difficulties.
Anyone have any online resources they like?