Warning: Coupons make you spend more

http://news.cnet.com/8301-19882_3-20033098-250.html

I've said before, and not too long ago, that only people with poor impulse control buy things at retail prices. But I've recently come to understand that deal-seekers, people who habitually try to save money by using social-shopping sites like Groupon or coupon directories like RetailMeNot, may actually be even more valuable to the retail industry than people who buy stuff at list price. Because they spend more.

Read more: http://news.cnet.com/8301-19882_3-20033098-250.html#ixzz1Ehjtd2zZ