Illusion is right... I've seen the whole spectrum. From the unassuming guy with a MS in horticulture and a rusty farm truck, to the young kid with clean fingernails driving a BMW with dubs (*cough* retired dealer *cough*)... One of these dudes is gonna try to sell you on an aero system. The other is going to ask you what your goals are and how much grow experience you have, and fit you to a style that will work, even if it's cheap and he's not making a grand on the deal. After all, there's plenty of time to come back and buy a fancier setup later when you have your procedure locked down tight. If you feel like you are walking into a shop and talking to a sales rep from American Agritech... that might be a clue!