Each of these services is powered by shopping bot software. Some even provide shoppers with the ability to search, compare and buy in a secure e-commerce environment. The majority accept advertising, but a few, like Price Scan claim to be unbiased and objective because they eschew advertising. Some online shoppers, no doubt, study the information on these price comparison sites before they make a buying decision. Then there is everyone else.
Superior service makes fancy cars, designer duds and luxury travel appealing.
It also allows L.L. Bean, Nordstrom's, and a handful of other merchants able to charge more for their products than bargain merchandisers selling essentially the same goods. And great service is not going out of style any time soon. In terms of costs, online retailers seem to have obvious advantages over bricks and mortar retailers. They usually can only pull from a 25 mile radius, meaning they need to make a fair margin. While online merchants can set up shop for less, and sell internationally, many have set prices so low that it is impossible for them to make a profit.