Oh boy, free stuff alert! If you’re a Casey’s Rewards member, get ready to indulge in a FREE Chex Mix King Size Bar. You heard it right, FREE! It’s only available today, so don’t be a Midwest snob and head over to Casey’s General Store. And hey, if you’re not a Rewards member, sign up now to score more freebies and make your wallet happy…or less sad, whatever floats your boat.