There are a lot of hidden costs that haven't been considered.

I have traveled before with them and there is extra hidden cost.

And then there are the hidden costs of telephone lines.

And don't forget to budget for the hidden costs of the holidays.

But you do need to check to see if there are any hidden costs.

It may not seem like a big deal, but it's another hidden cost we don't always consider.

And this is part of the hidden costs that companies are overlooking.

The film discusses the hidden costs of war on those who fight.

Every big jump forward has carried a hidden cost, all through history.

"People instinctively sense that there are going to be a lot of hidden costs," he said.