Some helpful tips and visuals @ the link, BGOL fam'.
http://www.buzzfeed.com/peggy/27-ways-to-make-your-groceries-last-as-long-as-pos#.hhgDOO85m
http://www.buzzfeed.com/peggy/27-ways-to-make-your-groceries-last-as-long-as-pos#.hhgDOO85m