I'd say that anyone in gold has a minimum of three years before they need to get out.
The price of gold rose dramatically during Carter's term. It plunged after Reagan took office.
People buy gold on the common beliefe that it is an inflation hedge, and will have more substantial worth than GDP-backed dollars. It is a panic purchase.
Then again, Idi Amin Jr. may get reelected, and you may be able to ride the wave for longer...