WOTC - Problems faced by employers with maid agencies

I asked this question in the Wisdom of the Crowd:

What are the common problems faced by employers with maid agencies?

Here are the responses: (29 Votes)

55 % - They provide inexperienced and not adequately trained maids
34 % - They levy additional charges for services that should be included in the package.
7 % - I have no problem with the maid agencies that I used.
3 % - I have frequent problems with the maid agencies.

See the pie chart at: 
http://www.wisdomofthecrowd.sg/chart.aspx?ID=1094