It is always good to prepare for emergencies.
Mylar bags are used to put your food in buckets:
http://www.survivalunlimited.com/buckets.htmYou use oxygen absorbers to get all the air out before sealing. This explains what you need to know:
http://www.survivalunlimited.com/foodstorage/oxyabsinfo.htmTips for sealing mylar bags:
http://www.survivalunlimited.com/foodstorage/mylarsealing.htmThis is a great site for doing your emergency preps one step at a time. It also has info on BOB's and 72 hour kits, stuff like that. I hope this helps you not feel so overwhelmed:
http://www.emergencyprep.net/starting.shtmlThis page has a lot of information that you might be able to use. But there might be some repeat articles by Alan T. Hagan that might also be in LDS link. You will probably have to copy and paste this next URL:
http://209.85.141.104/search?q=cache:E6g2if2F2RcJ:www.peakoil.com/downfile7
This is the HTML version of the above link:
http://peakoil.com/downloads/food_storage_articles.docJoy