If you have ever worked in retail you are well aware of the little pricing tricks that retailers use to attract customers. Although most of these pricing strategies should be pretty simple to see, few people look beyond the MSRP and the big red sale sign, and figure they are getting the greatest deal on earth. The truth is that most of the time they are not getting a better deal than you would have yesterday, three days ago, or even a week ago. Retailers realize that the best way to get customers into their store is by running sales…