If you are selling for a reason such as a municipal tax increase or a labor union certification, it will be even harder to sell.

FORBES: What Is the Liquidity Premium? What Does It Mean?

Every liquor bottle is also inspected daily, in case one not bearing the "OU, " or Orthodox Union certification mark, has somehow snuck under the radar.

WSJ: 'Because God Says So'

At Barron's Bakery in Cappoquin I tasted "blaas, " plump rolls now on their way to gaining PGI status, a European Union certification that a product is local, authentic and skillfully made.

WSJ: The New Green Cuisine