Reminder: Your Amex Platinum’s $50 Saks expires in December — here are 12 items to buy

With lounge access, built-in credits and many travel perks, The Platinum Card® from American Express is ideal for frequent travelers. The card also has various lifestyle benefits that increase its worth and offset the sting of the annual fee. For instance, you can get up to $100 in Saks Fifth Avenue statement credit awarded every…