Mondew, welcome to Psych Central. I am sorry you are having difficulty get BPD treatment that is affordable in Southern CA. Since you may have to move anyway, have you considered expanding your search to other states?

Some articles about BPD treatment that might be helpful.
Psych Central - Search results for BPD Treatment with Medicare thru Disability

Just on a lark I did a google search best states for borderline personality disorder treatment with Medicare. Here are the links I found.
https://www.google.com/search?source...are&gws_rd=ssl

There are lots of compassionate people here that can make the load lighter by sharing and caring. Feel free to participate actively at Psych Central.
http://forums.psychcentral.com

Please feel free to private message me or any of the Community Liaisons by left clicking on the name in blue to the left of their post) for questions or just to share.