Hotpeppa,
Maybe it's just the local store pretty much being a monopoly, but I can go on line and buy systems way cheaper than I can by driving up the road. I bought a giant six plant (HFS?)system, with nuits and chemicals to adjust the pH for $37 which included shipping. The store wanted $54 and it didn't include any nuits. I have a Bhut, Basil, Limon and two worthless toms in one system and three toms in another.
My goal - well one of them - this winter is to build a system where I can grow about 8 heads of loose leaf lettuce (Simpson Elite) at a time. Sow one plant a week. Two tomato plants, four Basil plants (to sell so I can afford this stuff!)
Ya know, I wonder if one can grow carrots hydroponically? Imagine starting one in October and letting it grow until August then entering it into the Fair., Especially if I can grow it in a 5-gallon bucket.
Mike