This card earns double miles on American Airlines purchases and at gas stations and restaurants, and it makes flying less of a hassle with a free checked bag benefit and other perks.

The Business Platinum Card from American Express has an array of perks and a large welcome bonus. Here are the details.

As of April 16, get the Lexar 1TB microSD Express Card for $173.05 at Amazon, down from its usual price of $199.99. That's $26.94 off, or a discount of 13%.