But there's one hidden Costco gem that you might have overlooked on your last rotisserie chicken run: restaurant gift cards.

A Costco membership has the potential to offer lots of value. But read on to see why you may be letting some of your ...

One way to save on this cost is by purchasing discounted gift cards for the restaurants and cafes you enjoy. Those with a Costco membership card in their wallet can buy cheap dining gift cards.

However, with the deal customers also get a $45 Costco gift card to use during their first shopping trip, which brings the membership price down to just $20. "Costco is your one-stop shop for ...