I recently fell prey to a sam invoving a so-alled free trial of tooth whitening gel. They offer a trial sample for shipping cost of 4.99. If you do not read every word of the fine print you will end up getting charged $78.93 for the "free" sample, and then they will start sending you shippments every month at the cost of $83.92. Cancelling is a HUGE pain, they try everything to get you to keep going, and when I told them I had returned the product shipped and had a tracking confirmation number to prove it, they quoted more fine print... read full review »