That's a lot of money!
For us, sadly for you to hear I am sure, it's about a half a week of the average person's salary in America, which is still a lot of money. Especially for those trying to pay their bills on time.
Do you own a Lavatube or did you just try one? If you do own it, be happy with that. There's nothing utterly wrong with it, it's just slightly inferior to the Provari. Perhaps the batteries you have for it are not the best? More importantly I would look into a Vivi Nova tank system (about 15 US Dollars, not sure what that is in Euros these days) and see how they work for you. You can learn to rebuild them on my blog here although if you can't understand spoken English you might just have to look at the process and try it yourself. If you have any questions I will be more than happy to guide you. If you don't own a Lavatube then your best and cheapest option is to purchase 2 EGO C Twist Variable Voltage batteries. They will give you a similar effect as a Lavatube for a small fraction of the price, about 2 day's salary from what you have told me.
Here is my blog, The Vaper's Handbook:
http://www.e-cigarette-forum.com/forum/blogs/shoganinja/2998-vapers-handbook.html#comment5864
Refer to Q20: How do I rewick/rebuild my Stardusts or Vivi Novas. There is a link there to show you how to rebuild the Vivi Nova tank to a video my friend made.
This will basically take your need to buy new tanks, cartomizers, and atomizers out of the picture and you can focus on spending your money on other things. The cost for the materials to rebuild them will be about $10-20. From there you can learn how to make your own juice so you can vape for just pennies a day, like me.
I don't recommend the cartomizer tanks that Hairball does (U da man Hairball!) because you will always be at the mercy of buying more disposable cartomizers. The Boge cartomizer does last a long time if you clean it (I have 8 out of 10 that are still alive after nearly 6 months of cleaning them at least once a week) but it is less than a quality vape. It's better to take your fate in your own hands by being able to rebuild your atomizer tanks (like the Vivi Nova or the Stardust) and spend as little as possible paying for an addiction to nicotine that has already cost you too much, in my opinion.
