1/10 Cant be classed All in one Bundle.
A 1/10 4wd SC will Suck 10X more juice than a 2wd SC or 2wd Buggy will. Also If your trying to run 30-40C 5000 packs in 4wd SC, Your asking for trouble.
BUY as much "C" as you can. Hobbyking is My suggestion for cheap packs That will MORE than do the job.