Telling people that a product is short in supply and high in demand is probably on page one of the big book of retail tricks. Hearing that demand has far exceeded supply usually piques the interest of those consumers who are on the fence about buying a product prompting sales. But consumers are having the exact opposite reaction to the low supply of 128 GB Microsoft (NASDAQ:MSFT) Surface Pros tablets which were made available at the launch this Saturday. After the tablet sold out at Best Buy (NYSE:BBY) Staples (NASDAQ:SPLS) and Microsoft’s online store in mere hours many disappointed customers ...