The Platinum Card® from American Express is like a flashy suitcase overflowing with premium benefits for your travel experience. It has a $550 annual fee, yes, but it also packs a slew of valuable contents that can easily make up for that cost, assuming you’ll use them: from travel credits and airport lounge access to purchase protections and exclusive services, this card is... Melissa Lambarena is a writer at NerdWallet.