We have a new Couponing Tip: How to Shop Kroger Mega Event. If you haven’t shopped a Kroger Mega Event, you are missing out on some amazing savings! The Kroger Mega Event is the perfect time to really get your pantry and freezer stocked-up with great items at amazingly low prices! Shopping the event is not difficult. Here are some tips and words of advice that will ensure you are getting the most bang for your buck.