I have not taken her off any of our stuff.. not changed the locks or codes to the house and she's worried about her stupid little checking account. Jog on for F*CK'S SAKE.
Maybe it's time to do those things. You'll protect yourself and continue to detatch at the same time. I know that you've wanted to leave the door open for her, but doing that makes you vulnerable. She really hasn't done anything to deserve that kind of trust from you.