For many people, retirement is the art of balancing less money with more free time, and many businesses know that money is tight in retirees' pockets. Fortunately, most products that are marketed toward retired consumers offer some sort of discount. In fact, from groceries to books to gym memberships, retirees should rarely pay full price. With a little legwork -- online or in person -- you can expect to find 10 to 15 percent discounts on almost everything you buy.
Let's look at 10 perks that are great deals for retirees and may make people still sitting at desks a little bit envious.