One of the reasons the GS/USA has been able to keep their prices low is the fact that the quality and quantity of the product has gone downhill. I remember the thin mints actually having a white filling like mint layer between the chocolate and the cookie. And what people don't realize is that the caramel coconut cookies (they go by many names) actually cost more than 25-cents per cookie! Of course none of that has stopped me from buying the cookies.
The "Pigtail Mafia" has learned the secrets of marketing very well.