You know the big one's coming, so you'd better be ready.  Buy in bulk and stock your earthquake kit with this $25 Gift Certificate for Costco.

Costco Wholesale Corporation is the largest membership warehouse club chain in the United States. As of July 2009it is the third largest retailer in the United States, where it originated, and the ninth largest in the world. As of October 2007, Costco is the largest retailer of fine wine in the world.