Sell amex Marriott offer for $100. Only in US and U.S. Territories, Canada, Mexico, and the Caribbean.
"Get a one-time $200 statement credit by using your enrolled eligible Card to spend a minimum of $500 USD in one or more purchases on room rate and room charges at The Ritz-Carlton®, St. Regis®, EDITION®, The Luxury Collection®, W Hotels® & JW Marriott®"