5 hidden credit card perks and freebies you probably have and don’t know it By: MarketWatch August 27, 2019 at 12:48 PM EDT Lesser-known benefits built into many cards include museum access, hotel upgrades and even free food. Read More >> Related Stocks: Amazon.com American Express Bank of America Capital One Financial Hilton Inc Hyatt Hotels Corp JPMorgan Chase & Co Marriott International Visa