Disposable e-cigs are not the way to go if you really want to quit smoking. They're finicky, the performance quality is shoddy. It'll end up giving you way more frustration than gratification and you'll give up on ecigs altogether. E-Cigs are great but disposable ones will just frustrate you. It's better to get a quality product that'll last longer and that you can just maintain with refill liquid or cartridges. FreshSmoking carries affordable products that are quality. Google them.
I first heard about e-cigs when I was at the mall and tried a brand called Smoking Everywhere. Let me warn you, STAY AWAY from them. I got suckered into buying their stuff and I got ripped off. I paid $139 dollars for the e-cig and $20 for replacement cartridges and the throat kick compared to the unit I have now was crap. I was just excited at the time & didn't do my research.