GO KIYA!
That is just.....awesome. I am so proud of you for putting on your armor and facing your mom! I know how hard that was....and you did it!
Your mom will try to make you FEEL like you are betraying her...but you are NOT betraying her. You are a grown up, and you are NOT responsible for your mom, her feelings, her housing situation, or anything else.
My mom has really horrible boundaries, and it's WAY hard to not get sucked in to her drama, her needs, her expectations. It's one of the things that finally forced me into therapy, actually. So I know how hard it is. BUT YOU CAN DO THIS!!!!!
I am really excited for you.