Just mix your ON Whey with some Gatorade. Or better yet, buy a tub of Gatorade powder and mix it in. Cheaper than bottles of Gatorade, and no high fructose corn syrup. Or, I'm sure you could find a nice 5 lb tub of dextrose (NOW makes some) and mix that in, that's REALLY cheap. A 5 lb tub of dextrose will last you at LEAST a year.
As for me:
whey proein CH during training Surge Workout Fuel, or FINiBARS (or dextrose during sled/prowler work) preWO stim (not NEEDED, but I enjoy them. they definiely give a psychological advantage) Biotest Leucine, creatine, ZMA vit C, D fish oil (10-12g / day) multi