Coscto Photo Centre: 9 Cent Prints (26 Jan)
Costco Photo Centre is having a sale on 4 x 6 prints. When you order 50 or more prints, you will get them for 9 cents (compared to 15 cents) each until 17 January 2011 Extended until 26 January 2011. This sale is for Costco members only.
When you click on the above link and then click on get started, the sale information will pop up for a few seconds. It's not advertised anywhere else on the site that I can see.
Costco has a great photo centre and I've always been happy with the quality of prints they produce. If you are a Costco member and haven't created a photo centre account yet, sign up and get 25 FREE 4x6 prints!