July 15th, 2010 
Insider
Today is the first day the new coupon book will work. It is valid from July 15th to August 8th. If you’re like me and couldn’t wait for the coupons to start, you can always go to Returns on your next visit and get a price adjustment on anything you bought that is now on coupon. If you never got your coupon book mailed to you, view it here:
You can also grab one at the Membership Counter next time you’re in Costco.
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>>you’re like me and couldn’t wait for the coupons to start, you can always go to the Customer Service kiosk (usually right before the first checkstand) and get a price adjustment on anything you bought that is now on coupon.<<
Thanks for telling us this, I was in one of the Costco stores the day before, not realizing the date, and the clerk not so politely told me the price didnt start until the next day– Pls inform your checkers of this fact…Thanks
Thanks Emilie, I will provide many more tips like this in future posts, so stay tuned!