most stores offer rotating promotions that provide discounts on various products. however, at many of them, you must become a rewards member to take advantage of the deals. the price of the membership is free. you are probably familiar with this process at grocery stores, pharmacies, and even pet supply chains. a. identify each hurdle that shoppers must typically clear to obtain these promotional deals. taking time to fill out a form divulging personal information, such as one's age and e-mail address remembering to bring the discount card to the store or providing the clerk with your phone number b. rewards membership offerings benefit stores by enabling them to gain a unque competitive advantage, so that they can dominate the market. make sales they would not otherwise make. track data, such as buying habits, on their customers.