The price of a provari is about equivalent to a months worth of cigarettes (for the average pack a day smoker).
My opinion, is don't waste any money on cheaper VV/VW mods yet. Take a weeks worth of cigarette money, Grab a few eGo batteries and a few CE4/mini vivi nova/protank mini and some juice samplers. Those will be usable for a few months, with very few headaches to be sure you are not going back to tobacco sticks. Start putting aside the money you were previously spending on cigarettes. A few months down the road you will have enough $ saved that price is not a factor when comparing devices. Likewise, the ego/clearo combi is a great "travel kit" for flying, or a great hand me down to another aspiring vaper). Meanwhile do your research. A lot of what all companies say about their product is marketing fluff. Some "must have" features they sell you on, are worthless to most.
From personal experience (started on 510s moved to eGo batteries/clearos, and bought my first VV/VW device about 9 months ago), my first VV/VW device had all of the bells and whistles. It did have a built in charger, but I bought a good external charger. That device that I spent a little over half of the ProVari on is now in the junk drawer, broken. In hindsight, what I spent on the other device is gone. That $ would have been a nice start to my ProVari savings fund....and when I had the provari, had a 2 year warranty on a device that will be sure to last me many years past that
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