Here in this video of Ching Hai speaking in California, USA on 28 December 1996 you will see how her trying to use basic psychological trickery and manipulation to get her followers to give as much of their money to her as possible other than the 'minimum amount they need to survive' or even 'less'.
Followers of Ching Hai will try to get this video taken down please download and reupload.
http://chinghaiexposed.blogspot.com