Waffle House is a staple in America. Folks know you can roll up to the black and yellow sign any hour of any day or night for good-off-the-grill breakfast staples, brought to your table quickly. But they may not know about this sorta sneaky charge Waffle House is adding to to-go orders. It’s actually been policy for awhile, but has gone unnoticed until now. A Facebook user named Herbie Davis highlighted Waffle House’s gratuity policy for diners, and it upended Waffle House fans. For every to-go order, Waffle House adds a 20 percent fee. It breaks down with 10 percent going to the server who pa…