Using (WOM) word of mouth to communicate these thoughts. Marketers have found this type of advertising is the best kind. Why? Because there is no better judgment than personnel experience and no hype.(Consumer Behavior 10th edition:chapter 10;The Family and its social standing) what social classes in America would you consider to be Costco customers?
Costco is the place you go broke saving money. I'm not a member there but I am at Sam's club. You go in there to buy dog-food and come out with a new flat screen TV,and a six month supply of toilet paper.
There customer base is middle and upper-middle class families,and small businesses