Hello
Exhausted Momma 
Welcome to you. I'm glad you found us, you are feeling ok today. Like you I'm a parent who searched for help and friendship late 2015 and found it with bpdfamily here.
From what you say your son is trying to cope on his own and finding it difficult, maybe homeless end of the month is heart breaking. You've reached out to him.
Has your son received a diagnosis of any kind over the years? Can you share your history, this is a safe and caring forum where we find solutions for us and all important group support from parents just like us.
WDx