How can u be get over charge for gas, I got $42.00 of gas my card was charge $100. How do i get my refund immediatly on my card & who do I need to talk with regarding this overcharge.

Sometimes they place a temporary hold of $100 dollars when you get gas to check and make sure the credit is available. It isn't actually a charge, and it will go away in a few days when the actual charge posts.

Call the number on the back of the card.

You will have call your cc company first, then call Costco.. They will make it right!

Contact your bank.

Call the 800 number on the back of your card for help.