It's silly to argue that you can't eat gold. Gold is not food. It's money. You can't eat paper or digital money either.
Lessor incomes can get into gold as easy as most other investments.
GAMCO Gold (GOLDX) @ $33.68
SPDR Gold Trust (GLD)@ $139.88
GoldGrams @ $46.47
Gold Maple 1/20 oz @ $100.37
Buy on the dips and keep on stacking as gold's value goes up long term.