Planning to give gift cards to loved ones this holiday season? Don't miss these online-only Costco deals on Thanksgiving. Find out how to save more today only.

As presents, gift cards have issues, including the $27 billion of unspent gift cards in the U.S. But buying discounted gift cards for one's own use is a personal finance hack that saves money.

A Costco membership comes with plenty of perks, including the chance to buy massive amounts of your favorite groceries for less, like deals on meats, astonishing bargains on wines, and even reduced prices on luxury goods like caviar.