This sounds great, then. Regarding expenses, he can't help much there. He was living check to check before the year spent in involuntary hermit mode. He does have a cache of shady supernatural contacts from travel and inquiries into his condition he can call on to replenish any of her difficult to acquire stocks they might go through in their experimenting.
On the same page there. James does have a habit of doling out a bit of shit to see who he's dealing with at first, but he also has invested interest in not passing her off past the point of her interest in dealing with him, so he may have been on slightly better behavior. Excited to see how they work. : ]