A guitarist friend of mine recently told me that he hought I played in upper positions on the lower strings too much. He said that I am sacrificng too much tone by playing higher up on the fret board instead of playing in the same notes in lower positions. I can certainly understand the concept here but I am wondering how much of a big deal this really is. I am mostly self taught so I need to ask the schooled players here if you were taught to play as far down the neck as possible instead of playing in a higher(closer together) position when given the choice. I know a lot has to do with what type of sound you are going for and your picking technique, but is this as much of a rule of thumb as, say, 1 finger per fret is?