A list of ten elements of good long term food storage:
http://prepperswill.com/10-requirements-long-term-food-storage/Simple ideas, but they should be part of your food rotation and purchase routine.
Some details on each item are given in the article
1) Keep it cool
2) Store it in the dark
3) Keep it airtight
4) Think about what your family eats
5) Always rotate stock
6) Buy cheaper and spread the cost
7) Store spice and seasons
Don't make it a one man effort
9) Think about water as well
10) Always have a backup plan