Originally Posted by
akr1970akr
The issue is that at least when you talk to Costco they (costco) state they don't take MC debit online and one has to renew in store, at the customer service desk.
Which means it doesn't auto credit with Citi.
You can *renew* online with Mastercard, any time within 90 days of you membership expiry. You just can't set it up for *auto-renewal* with anything other than a Visa.