The Other McCain offers investment advice.
I understand the glamour of shiny rocks, but wonder what happens if the economy really collapses. You can use those shiny rocks to smack someone in the head, but who knows what else they'll be good for.
Corona, on the other hand, will help you forget your troubles. If the economy tanks, more people will be getting drunk than exchanging shiny rocks for something important.
And regular rocks will do for letting go of your anger.