Learning anything is unnecessary if you don't want to do anything. JOIN 500,000+ GUITARISTS TODAY! Hopefully, by the end of this post, you’ll be able to make an informed decision for yourself, based on this information, whether or not you should learn the CAGED system.
That’s why in this article, I’d like to go over exactly what the CAGED system is, what it’s used for, and the pros and cons of learning it.

Music theory can be quite complicated, but theory is theory and music is music.

The CAGED system organizes the fretboard all the way across the neck, including chords, scales, and arpeggios.

The red notes are the root notes of each chord. There’s one for ‘C’, one for ‘A’, one for ‘G’ and so on.

Here’s how we use the fretboard notes to line up those chords. If I want to play in the 3rd to 5th fret range, I see a ‘G’ Shape. The CAGED system of scales for the guitar is based around these 5 chords: The theory is that each of these chords (C, A, G, E, D) has a scale position that naturally emerges from the chord.
As you get better at finding the notes on the fretboard you will find it easy to find these chords in any position … Now I don’t mean to downplay the importance of theory, but rather to emphasize that the act of making music is what matters most. He’s also got the wrong chord when referencing the sweep picking idea. This concept is vital to our ability to solo in any position. Why is the CAGED system for Guitar Important?

The CAGED method organizes all chord shapes.

Yes its unnecessary if you don't want to learn all the positions of the chords. In a nutshell, the CAGED system represents a system for learning one scale or arpeggio in five different positions on the fretboard. Why is the CAGED System Important?

WARNING: The CAGED system is crippling your guitar playing progress. By learning the scales with this system you are likely to develop these problems in your guitar playing: Problem #1: Your Guitar Speed Is Going To Suffer Tremendously Being a fast guitar player is difficult for a lot of guitarists because of many reasons. The CAGED system is a very important concept that applies equally to both rhythm guitar and lead guitar.It doesn't matter what style of music you play, or if you play acoustic guitar or electric guitar, this method of fretboard navigation is essential for all guitar players. Some people will tell you, that you have to feel it with your heart when you are playing, which is definitely true, but you cannot put your heart and soul into your playing without knowing which notes to play. The CAGED system isn't something someone invented, it describes the way that shapes of a single chord extend across the neck. In this guitar lesson, we're going to learn the CAGED system. The CAGED diagrams on the main page gives the basic info on the CAGED system and it’s related chords.

Cracking the CAGED System Nick Minnion Guitar Lessons Scales and Modes for Guitar, Video Guitar Lessons. I’m often heard describing the CAGED system as: “˜The single most important thing I ever learnt about playing the guitar…’ There’s an element of salesmanship, in the way I use this description, when I’m introducing the CAGED system to a student for the first time. The idea is that each letter of ‘CAGED’ represents a different position on the fretboard. It’s important that you learn these so well that you don’t need to think about them.

The CAGED system is...".You see, this is another problem with CAGED. It has been "copied" over and over by so many less-than-competent authors that everyone now is teaching a different thing and calls it CAGED.

Critics of the CAGED system feel that it overly simplifies the guitar. The CAGED system allows us to know what notes to play in any given jamming situation and improvisation.