yay a b4!.... what do i do first?

[DusterX17]

hey guys, i just recently bought a used b4 buggy with a ss5800 novak brushless system and a jr xr3i controller..

I also bought 6 sets of used spare tires (only partially used, 2 of the sets were only run once or twice) (i bought because of the bargain :])

i also bought a used battery (4200 mAh, NiMh) used.. but supposedly in good condition (again bought because of the bargain)

i'm still waiting for the arrival of these items (oh and a battery charger.. which i hope to get a bargain on tomorrow... meh)

my question is.. what is the best thing to do first? because it is a used car it has already been put together and has been run, but what sort of things should i make sure before running? and what would be best to do to the battery and motor?

i'm sorry if i am asking dumb questions, or if they are obvious or worded incorrectly..

i am rather new at all this...( as some of you may already know because you may have seen my post earlier in the general car talk about what car to purchase heh)

any advise is appreciated (even if i didn't ask for me, i'm sure i could use it :-p)