Joel Scholtz was invited to visit 10 resorts in Mexico for business, so he used American Airline AAdvantage miles to fly there for free. The cardholder Name: Joel Scholtz Age: 62 Occupation: Travel advisor Residence: Medford, New Jersey Credit cards: The Platinum Card® from American Express and American Airlines AAdvantage Aviator Silver Mastercard The trip... Rosemarie Clancy is a writer at NerdWallet.