When I first started vaping, I couldn't understand why anyone would want the inconvenience of dripping. Then I tried it, and loved the different flavor and flexibility in the setups. I have around 15 RDA's in various configurations in addition to many rebuidable tank atty's. Love some a little more than others, and some work better for testing eliquids than others.
You can bring your vaping costs down to extremely low amounts by buying some kanthal wire, silica wick, organic cotton and a little time. Then, you'll start making your own eliquids with lots of recipes and eventually find several you love. At that point, you'll be vaping for pennies and spending your money on equipment. After you have pretty much the equipment you want, you'll become more selective in what you buy and your vaping will become a hobby that cost pennies instead of dollars.
After some experience, you'll build a coil for pennies, add some cotton for pennies and fill it up with your own eliquid that cost pennies. You can now vape all day for next to nothing. The only negative is that you'll miss some great eliquids on the market because you will be unwilling to spend dollars on what you can make for pennies. Then, every once in a while you can splurge on something nice for yourself and not feel guilty because you're now saving the $400 a month you used to spend on tobacco, and you'll be living longer to enjoy all of this. This hobby simply can't get any better than that!!!