1.  Seek out Private instruction (don't be too proud)
2.  Write out a daily schedule
3.  Set goals to chart development
4.  Concentrate, if you practice mistakes you'll play mistakes
5.  Relax, practice slowly, tense guitarists don't last
6.  Spend more time on things that give you the most trouble
7.  Make everything musical, give yourself to everything, even exercises
8.  Don't be too hard on yourself
9.  Don't show off, if you play for applause, that's all you get
10. Think for yourself, but don't be lazy
11. Be optimistic
12.  Mere repetition is useless, unless you constantly try to improve