Out of stock. Out of stock. Try to stock at least a three-day supply—you need at least one gallon per person per day. Keep foods that: Have a long storage life; Require little or no cooking, water, or refrigeration, … Shop at Sam’s Club® now to stock up on an infinite number of different emergency foods and emergency supplies to keep you and your family … Emergency food storage is an integral part of any survival kit that ensures you have a steady supply of nutritious food… Emergency Foods & Supplies. Mountain House - Just In Case...® 2 Day Emergency Food Supply. Stocking up on food for long-term storage has never been easier thanks to our survival and emergency food kits and buckets. A disaster can easily disrupt the food supply at any time, so plan to have at least a 3-day supply of food on hand. At a minimum, you should have the basic supplies listed below: Water: one gallon per person, per day (3-day supply for evacuation, 2-week supply for home) Food: non-perishable, easy-to-prepare items (3-day supply for evacuation, 2-week supply … Ranging from 2-Day to 14-Day supplies, these emergency food buckets and kits ration the perfect amount of food … “The other half gallon is for adding to food … Don’t get caught off guard. Mountain House - Just In Case...® 3 Day Emergency Food Supply. $68.89. “A normally active person should drink at least a half gallon of water each day,” Andress says. $39.99.