From Inside the Grey House:
She had the run of the house, two cars, one for going out and the junker for days like this and could mostly do as she pleased. Vincent even gave her a business credit card with her name on it, but she didn’t like spending his money. When she needed money, she used her own. Most of it was invested, but it was there if she needed it. She didn’t see any reason to spend her lover’s money. It wasn’t like she went anywhere. The people she interacted with all lived in Vincent’s house, and Bethany was no longer in her life. Since hypnotizing her best friend, there had been no contact.