BBB and state attorney general office is free.

BBB and state attorney general office are free to use. No 损失 for you. if you don't have money, you can use free public service
How to file a consumer and civil rights complaint?
1. go to www.google.com. and then search "attorney general office" in your state

2. select your state attorney general office home page. the website should be end with ".gov or .us"

3. fill out a complaint form on-line or download the forms, for example, The Office of Massachusetts Attorney General.
http://www.ago.state.ma.us/sp.cfm?pageid=2316

没钱，但是需要律师帮忙:
http://www.abanet.org/legalservices/probono/directory.html#
more info: http://groups.wenxuecity.com/groupview.php?gid=198