If you've never considered hoarding, this may change your mind. The price of olive oil and cheese could be going up soon by quite a bit, so you may want to stock up now.
Every time I go to the grocery store I think I'll only spend fifty bucks, and the next thing I know the total flirting with $150 and it's not from lobster and caviar. It's just average stuff! What common things jack up the grocery bill the most?