I have been using the Vapor4Life OMG since August of 2012. I have been very happy until recently. In the beginning I had not had any trouble with leaking carts. But now I am wasting so much juice that I am about to give up on this all together. I have read many posts explaining how to fill, but I have been doing that correct for so long I dont understand how all of a sudden I am having such a problem with leaking carts. I filled my tank last night and it has all leaked out already and I am so mad that I am about to go buy a pack of cigs a toss this thing. Someone please advise me on what the heck could be happening here. I am sick of always trying to get a perfect vape and have juice all over my hands. I cant take it anymore !