One way to earn income with a fluctuating gold and silver. Hold and short.
Lending money necessarily involves risks: the borrower may default. But if you don't give up physical control, then you will escape the monetary debacle unscathed. Because of the imbecility of the managers of the paper dollar standard there exist durable risk-free profit opportunities in holding monetary metals in the balance sheet. The trick is: covered selling. That's possible because the price of monetary metals has been allowed to fluctuate. The price fluctuation of a monetary metal, like the flow-and-ebb of the oceans, represents energy. Energy that can be harnessed. Energy that can be harnessed only by those who understand monetary economics.