so im gonna buy 2 of the 510's, one for me and one for my bf. what all do i need to buy with it? im starting to think its gonna cost just as much to do this ecig because you have to replace the atomizers and batteries and ecig juice? also, how is the ecig juice diff and how do you do it? right now im using cartridges and i dont like it too much because it runs out so quick. :\ we like alot of vapor, please someone guide me in the correct direction so i make a smart purchase and quit cigs for real 
