Again, with no money for a teacher, check out the instructional web sites. Browse through the posted stuff on this site. There are plenty of scales you can learn, besure to learn them in all positions Even the chromatic scale has only 12 notes. All scales need to be learned in every position on the neck.

Your pentatonic scale, has 5 notes. It also has five seperate modes, each one starting from a different note within the scale.

Check out Runaway licks:basic by Raymond James on this web site, its under Blues There is an expanded scale that will get you playing all over the neck.

Good luck.