6. “Ah well, this is your free dead Indian, as advertised.
-I didn’t see that in the adverts
-No, it’s in the very small print, you see, sir, so as not to affect the sales.”

A good way to irritate customers is to offer “disagreeable” terms and conditions that they don’t learn about until their transactions have already been completed. Sure, the customer might have “consented” and the vendor might end up collecting the additional revenue. However, this same customer will bombard customer service with angry calls, tell all of his or her friends about your company’s poor policies and post hate messages on the Internet. It’s always more cost effective to generate repeat business from existing customers than acquire new customers, so companies should treat their patrons well.

Lots of other funny ones. See the full article on focus.com.