The margins on vape liquid must be insane. I quit smoking using a vape and made my own liquid for it, it's only four ingredients which are all really cheap if y

The margins on vape liquid must be insane. I quit smoking using a vape and made my own liquid for it, it's only four ingredients which are all really cheap if you buy in bulk and you can can taper down as slow as you like. I went down to an eighth of a milligram per millilitre before I binned it off for good!