Costco is selling emergency food supply to provide customers with an affordable and reliable source of nutrition in the event of a disaster or other unexpected emergency. The products are designed to last for long periods of time, allowing individuals and families to be prepared for any situation. Additionally, Costco's selection offers a variety of meal options that can accommodate different dietary needs and preferences. By stocking up on these supplies now, people can ensure they have access to essential nutrients during times when traditional sources may not be available.