Power chords will look like this. (if you can read tabs..)

e--------------------------
B--------------------------
G--------------------------
D--2----4----5-------------
A--2----4----5-------------
E--0----2----3-------------

Power chords constist of: the root (E sting), the 5th (A string), and the octave (D string).

I would suggest going to a music store and try out some guitars and amps. See what you like.

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