There are a lot of items that you can purchase at Wholesale Centers for your food storage (SAMS, Costco). Here is a list of items that are available for purchase at SAMS:

Riceland Extra Long Grain - 25 lb
Riceland Extra Long Grain – 50 lb
Diamond G Calrose Rice – 25 lb
Golden Star Jasmine Rice – 25 lb
Peak Pinto Beans – 25 lb
Crystal Sugar (Granulated) – 50 lb
Crystal Sugar (Granulated) – 25 lb
Pure Wesson Canola Oil – 1.25gal
Bakers & Chefs All Purpose Flour – 25lb

Remember, if you don’t plan on using most of these items within a couple of years, you must store them properly. So you must factor in the cost of packaging.