The Amex Platinum hotel credit can be one of the most valuable benefits of the Platinum Card, but only if you use it strategically. I recently used mine for a one-night stay at The Cosmopolitan of Las Vegas, and it turned out to be one of my favorite Amex Fine Hotels + Resorts redemptions yet. I originally booked a Terrace Studio for just $159.20 before taxes and fees. After my Amex Platinum hotel credit was applied,