I need help finding the highest rated or best portable vape pen for use with dispensary grade hash oil made with PG or VG. I prefer a tank type cartomizer but don't know which works the best. The vaping companies are no help as they tell me that there products are for e liquid with nicotine. Not for illegal substances. SO can any one help me out? I don't like having to carry a pen and then a little bottle of oil and then dripping oil into a drip type atomizer. I know there are all sorts of prefilled carts out there but I live in a state that does not allow recreational use of pot and getting a medical card is a bitch to get. Thank you.