A new reality series called “Flat Earthers” will pay its players cash if they can convince a panel of (actual) experts that the world is flat. Good luck with that.

Get a First Look at ‘Johnny Cash: The Redemption of an American Icon’ Documentary: Exclusive. The project also features Tim McGraw, Sheryl Crow, Marty Stuart, Wynonna Judd and more.

Flat-rate cash back credit cards typically offer 1 to 2 percent cash back on all purchases, but the best flat-rate cards will offer at least 1.5 to 2 percent back.