Back in 2009, public relations professional Alan Weinkrantz made an important realization: when it comes to the cost of home television, Internet and phone services offered by cable companies, prices are never set in stone. Quite to the contrary, a simple phone call to customer care threatening to switch service providers often prompts these companies to immediately offer a discount in order to retain business. In Mr. Weinkrantz’s case, ATT offered to trim nearly 50% off of the cost of his home U-verse service when he called to complain that the company’s rates were too high. While a 50% discount is certainly not typical, calling your cable company and threatening to go elsewhere unless it lowers your monthly bill is