For the above I can't strongly enough recommend getting an AFDB it is a must to protect the privacy of your thoughts and the sanctity of your will! Get two their cheap and your friends don't know how badly they need one!.

For other more mundane supplies you might want to check out the retailer and manufacturer pages on this site. One retailer that I have had great luck with both in terms of price and selection is mafor surplus and survival

Also worthy of mention are, in no particular order;

www.sportsmansguide.com
www.actiongear.com
www.cabelas.com
www.cheaperthandirt.com