Hey man, sorry my post came across choppy, for some reason I was having horrendous forum issues last night.
The main point of it was to get you that link that
@Huckleberried was kind enough to post for me - lots of good info that's designed to help you get started and answer a lot of the questions that you should obviously be asking.
The majority of 19 year-olds we see around here are vaping because it's cool, not because they've been smoking forever and are trying to quit. Perhaps you're not like most folks that come in here putting cloud chasing ahead of getting off cigarettes, and if so I apologize - to an extent. I still definitely think you need to do a lot more learning before trying to use a high-power mod.