I want to teach beginning, intermediate and advanced guitar students. Of course, you must always teach what you know and can demonstrate. When I taught before, I could teach either with traditional notes or with TAB. Traditional notation method is good if you have no other way to "pick out" the melody (i.e.; you don't know another instrument where you were taught to "read"). But, you can play melodies with just TAB notation as well. It would be the students preference as to which way they want to approach "written" music. My students from before could "read traditional notation like champs" in first and second position ..... really useful to pick out the melody lines to learn the vocals. Then, of course, you learn the chords that go with those melodies.