I've seen elsewhere that the reason we have to verify so often is they use the cookies to identify our computers and darn it, we have to dump the cookies every once in a while or our computers get slowed down... I know mine does and McAfee does the cleanup and dumps them...
Because it was after hours and the store was closed. And since you didn't say which coupons you printed and the site doesn't let you post a pix (afaik), it would be a little difficult to answer your question