One of the most popular travel credit cards will soon see a 45 percent hike in its annual fee, along with new perks and benefits. These are the pros and cons of the changes, according to points-and-miles pros.

The price jump is part of an ongoing shift for credit card companies and airlines toward premium rewards and high-end travelers.

American Express Co. announced Monday upcoming upgrades to its U.S. Consumer and Business Platinum credit cards, aiming to distinguish itself in the competitive luxury credit card market. “More than forty years ago,