11.   Are there hidden costs?

12.   Beware hidden costs and revenue drags.

13.   But independent studies say there are many hidden costs that will result in taxpayers footing a much larger bill.

14.   But is it worth the hidden costs?

15.   But the small dish carries lots of potential hidden costs.

16.   But there may be hidden costs.

17.   But there are hidden costs to cars that even vigilant bargain hunters fail to count.

18.   But there are hidden costs.

19.   But there may be a hidden cost.

20.   Critics of the partial privatization plan argue that in addition to the obvious risks faced by individual investors, the approach comes with hidden costs and implications.