The black market then will be in nicotine concentrate. I have managed to order it before, not for vaping but for some plant physiology experiments. There is also the option of moving to NETs
I have thought of this quite a bit. They may well try to but I cant see them having the ability to. All the components other than nicotine have far too many applications. By that point I will have a huge collection of rebuildables, can order nicotine through the lab I work in, glycol and...