I can feel you. I think we all need to be careful when choosing the right moving company.
Read this article on how to choose professional movers in Singapore:
http://www.absolutesolutions.com.sg/moving-services.htm
I got mine installed by Singapore CCTV.
Read some of the benefits of installing CCTV in your home:
http://www.sg-cctv.com/articles/6-benefits-of-installing-cctv-in-your-home.html
You are so right.
Never hire freelance part time maid because you will certainly get yourself into trouble.
This article might help you on finding legal part time maid:
http://www.absolutecleaning.com.sg/blog/where-can-i-find-legal-part-time-maid.html