Puff. Poof. Pow

This is my hair today. My little puff is nothing to write home about, it's from 2 week old twists. I'm getting bored with my hair, I can't do twist outs, braid outs, flat twists, wng's, updos, all because my hair is really fine and can look scalpy.

I can do a bantu knot out but since I go to the gym 3 days a week, it's not beneficial. Should I weave it? Extensions? Only time will tell.