We just bought several bottles of champagne, and took it home to store for a week or so. When we…read moreopen the first bottle it was like vinegar. Ugh So going back 3 days after the 15 day deadline, we are unable to return any of these bottles of vinegar! Terrible policy at Carrefours for the returns. Will not shop there again- so unfair to the consumer. Costco has a very liberal policy and so we will buy our housewares and edibles there!