hello my name is jacob this post may he long i have a x gun vv [ i know its not the best but im a newbie anyways it goes to 12 watts so my question is is it even worth getting an rda? and if so whats the best one around 20-30$ id like one where i could but two coils on it but im worried because my mod peaks at 12 volts also what battery should i get i have a 18650 sigelei but its an icr and i know thats a bad idea any price range is good im mostly interested in cloud production and just like the though of tinkering with rebuildables thanks in advance!!