If you’ve been tempted by Facebook ads promising cheap “introductory” offers from Seattle Coffee Direct or World Bean Cafe, located in the world coffee capital of Evanston, Illinois, readers Adam and Ivan say, “don’t do it!” The ads promise t-shirts or a free coffee grinder as an incentive to sign up, or tempting introductory offers. But you’re really signing up for a coffee delivery service for close to $80 per month. Or more, as reader Ivan learned. He says that the company accidentally billed him for, and sent, two bags of coffee per day.