Seriously. PUT IT DOWN until you get an ohm meter. You are either shorting out (VERY BAD) or you are not fully contacting your battery (also can be bad). You need an ohm meter to better pinpoint where the problem is occurring and if you continue to fire an rda that is shorting out you're going to be in the hospital by the end of the night, Then I'm going to come kick your *** for being an idiot. comprende?
Put everything down, do a LOT more research on your equipment and your execution. Then come back and ask an educated question. I think that's the best thing you can do right now for everyone.
EDIT: And buy an ohm meter ASAP
1. Copper/brass IMO looks better and has less voltage drop. Oh and they look better, 2. The amount of liquid you use directly depends on the amount of vapor you inhale which directly depends on the type of coil you build combined with the amount of airflow you are using.. Comprende?
Looks like a good kit, if that's what you're looking for. If it were me, however, I would get a good copper or brass clone and buy the rest seperate. But that's just me.