There are very few Visa Infinite cards available in the U.S., but if you hold one you can get a variety of perks, including lounge access and travel insurance.

Both Chase Sapphire Reserve cards offer bonus points on car rentals via Chase Travel, insurance coverage and additional Visa benefits. Here's what else to know.

Here's how I unlocked a $50,000 credit limit on my new Chase credit card in under a minute, and why a high-limit card can be ...