‘It’s actually a signal to employees’: Expert shows how to look for Dollar General’s penny sale—and what you can expect to find

For anyone on the hunt for deep discount bargains, a viral video is showing shoppers how to take advantage of Dollar General's penny sale.

"Every week, Dollar General marks down certain items to only a penny, but you're not supposed to know about that," a narrator says in a Lemon8 video shared by @savvycouponing. "It's actually a signal to the employees to remove the items from the shelves—but not if you buy them first."

These so-called penny items are inventory that Dollar...