When Patricia Chungsathaporn’s cruise was unexpectedly canceled, she decided to take a last-minute road trip from Miami to Key West, Florida. Her stash of SPG points helped her snag an overnight stay at a resort. The cardholder Name: Patricia Serrano Chungsathaporn Age: 35 Occupation: Travel Advisor and Travel Writer Home: New York Credit card: The... Rosemarie Clancy is a writer at NerdWallet.