Fret Care FAQ's Many new guitars have uneven frets right out of the box. What Fretwork can I do at home vs. what to take to a luthier? Do I need a full fret level or just a spot level? What if my guitar plays great but my frets are uneven? How to diagnose that I have fret issues? Is taking the guitar neck off to perform fretwork necessary? Can a poorly setup guitar cause fret buzz even if the frets are even? What causes my strings to buzz? Are level frets critical?