I know alot of people throughout the US, the midwest is pretty harsh for prices...ounces of california indoor or locally grown indoor will probably not sell for less than 400 because the QP price is usually 1500-1600 in the regular states.
You can probably buy a bunch of beasters or mids.
I say invest your 300 bucks in an Ikea closet, a 150watt HPS, and some seeds and grow your own!!!

Ikea Closet -80 bucks
150 HPS - 80 bucks
Seeds from Seedboutique.com - 100 bucks
Fan, Timer, Pots, Soil Nutes, 50 bucks
you can yeild around 2-4 ounces every harvest per closet..