Allot of time though you can find a good china one for less and work the same if not better and more features for less..go directly to reviews of knockoffs ..many times you can get 3 for the price of 1 lol..There are some good china vape brands though.
Im a Vaper I use e-cig and MJ vape..Its all about the way it heats ant what it uses to heat and how simple it is to replace..Its better to buy it in parts and then that gives you interchangable features..Like a kit with a body,tank,heatsource(cartomizer, atomizer, oven covection, ect),battery and charger...check reviews that arent sponsored!..I dont do concentrates yet so I dont know if the gpen is good.