I've been vaping almost a year now. Started out with 808 batteries, then quickly moved on to fat battery types. I'm considering going up a notch and getting a VV mod of some sort. I know eGo is now making the twisty one or whatever but I'm thinking about something maybe more durable.
So you pro-vari people, can you list out the pros and cons of owning one? Clearly the cost is substantial. Why do I need variable voltage in the first place? I have somewhat of an understanding of the concept, i.e., you can fine tune the voltage to figure out the alleged "sweet spot" but really is it that much better?
Also would like to know what you're using on the pro-vari. Tanks? Cartos? All info appreciated.