The cheapest electronic cigarette is V2 Cigs. There are cheaper e-cigarettes available at the gas station, but they're of very low quality. V2 Cigs is the cheapest one that still provides high-quality performance. The starter kit retails for only $24.95 and cartridges can be obtained for as little as $1.25 a piece. Or if you use e-liquid juice, which is even cheaper, you can use V2 Cigs for only $0.66 per pack equivalent. Sign up at http://SmokeWithoutFear.com if you'd like to get promotional discount codes and coupons for the cheapest electronic cigarettes periodically emailed to you. Good luck!