Businesses in the path of Sandy are taking whatever measures they can to avoid damage: Clear Channel has dispatched crews across the east coast to remove billboards as a precautionary measure.

As Hurricane Sandy makes it's way up the East Coast of the United States, damage estimates of $10 to $20 billion are beginning to trickle in.

As the hurricane-turned-superstorm Sandy heads for densely populated and economically vibrant regions. Its costs could spread to housing, consumer spending and jobs.

The power grid is too large, too dependent on distant electricity supplies and not smart enough to pass the hurricane test. The result: long power outages. Upgrading to a more reliable grid will cost billions and take decades.