kane

In the end it all depends on the coupons. The store will get money from companies that issue vendor coupons, but many stores also offer double coupons etc. Because of people like this most stores now have a limit of how many you can use. That is partially why it takes so long for them to check out because the rules only allow a certain number per transaction etc. Many stores simply won't let you do this.

In the series that is about these people they sometimes have to travel a ways to find a store that will accept what they are doing. I suppose it could be good publicity for the store if they were on the show or there was a story about one of these people coming there, but the last thing they want is a bunch of people showing up and trying to do this and wasting their time.