Millions of people every month shop at their favorite retailers like Wal-Mart because those are the best places they know of to get the household products they need, but if you shop there consistently, what will Wal-Mart ever do for you? Will they give you your 1,000th purchase for free? Will they give you a year to return a product? How about a special express line just for long time shoppers? No? Nothing? So why be a loyal customer? Why not get rewarded for shopping online?