As my powertech, I reached level 25 on Balmorra by the time I finished the quests there. I still had to go through Nar Shadda and Tattooine before I would even begin to see monsters my level. I decided to try not doing any planetary storylines, and focus instead solely on class storylines. Additionally, I shoved all of my fancy gear into the cargo hold and dropped down to green quality items, and whites where I had no greens.
From there, I was going to just do class quests, and...