Hi there, I have been gathering information about several different kinds of testors, and the vaste majority of them seem to run around $2500. Without seeing them firsthand, I have no idea how to judge one as a better/worse than the others. Has anyone worked with these yet, they seem a great investment (no product cost for increadible profit margin) and with the way many states and canadian provinces are trying to research into solving the drunk driving situations, this could be a very marketable consept. Any information you could provide would be greatly appreciated. Thanks.
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