I am still pretty new with this too (I did build when I was like 10-12 but yeah I stoped after a while
anyway back to your question! 
for now I only use Tamiya's paint. in (jar) I think the name is?
Here is a photo for a exampel.

I also got some
tamiya spray can.
like this (not my photo only found it on the web)

There is great videos out there on the tube, how you easy work with spray can
your local playz were you did but the other stuff. they should sell this too.
just my tip's.
hope they might help you.
I am sure other here got better advice then me 