Sam’s Club preparedness haul worth knowing about Oatmeal $8 – 2 years in this package, 25 years in Mylar Bisquick $7.28 – Over a year shelf life in package, multiple uses Vinegar $6 – Indefinite shelf life, endless applications Canned tuna $13 (8-pack) – 5-year shelf life, store in a cool dark spot Evaporated milk under $12 – About 5 years, not as stable as powdered milk (different obviously) Cornstarch $7 (2-pack) – Indefinite shelf life, true multi-purpose compound Maple syrup $12 – Refrigerat