dodo is good,
if you want it to shine its all about the polish wax is just a protective layer, give it a good polish first then a protective layer of wax to maintain the shine from the polish.
lots of other stages you can add to this but thats enough to get you started.
wax goes along way; also dodo do tester panel pots for about 10 quid so you can try before buying a massive pot and finding you don't like it. i can get about 7 cars out of a panel pot. dodo i found is really easy to work with goes on and comes off pretty easy.