Costco Will Accept Visa Instead of American Express in 2016
Costco, which previously only accepted American Express cards, has ended its agreement with American Express and will begin accepting Visa exclusively on April 1, 2016. Costco American Express cardholders will be able to upgrade to Citi Visa, which provides additional Costco Cardholder Benefits (details of which will be announced at a later date). [ Business Insider ]