Holy hell, I made this post before I went to work hoping to find out if there was a way I could use liquid in my cartridge-based e-cig...come back to find people talking about atomizers and building their own coils...I had no idea how deep this rabbit hole goes. People are talking about modifying e-cigs like there are cars or computers. Guess that makes the one I bought at my local gas station the equivalent of a used Toyota...