Learn as many songs as possible. It will develop your playing, you will learn technique by playing and you will begin to see how common musical ideas fit together.
People will want to know that you can play Gemme three steps
No one has ever asked me to play harmonic minor scale to get a gig.
After learning how a song is built and the process ,you will begin ...
Maybe so obvious that no one says it but make sure your Truss Rod is adjusted correctly so your strings are not too far away from the frets. If you have to push a string down far the strings next to it is going to be high and easy to touch.