Is gold a good long-term investment?

Posted: Updated:

PHOENIX -- The price of gold hit another record high this week, and you can't escape the ads urging us all to buy gold coins. But are gold coins really a good long-term investment?

The price of gold is up about 30 percent this year. A sleeve of 18 gold coins is worth about $20,000.

While some investors say the sky is the limit, other say at some point, the golden bubble will burst.