KittyAeroPro200: One way to save money on Aerogarden's products is to buy in bulk when they have a price break. I think their prices are too high but on a lot of their stuff is proprietary so they have you by the short curlies. Their prices are not only high, their shipping costs are more than most on-line venders and it's very slow delivery. They're also great at trying to sell apples from an empty barrel. Wait and see how many times you place an order and you find out the stuff you need is on back-order. I had one order it took them four months to deliver.
The way to get around it is to get on their email list, keep your eyes open and buy in bulk ahead of time. This last fall they had a couple of good specials on lamps, grow pods, domes and labels. I bit the bullet and stocked up on two orders that should keep me covered for about the next two years. When you buy enough stuff, I think it's some where between $25 and $50, the shipping is free and you just saved $10. Hell, that's enough for a six pack of good beer or a cheap bottle of wine. If you buy piece meal from them you'll pay through the nose.