There probably isn't a way to do so easily. But don't feel too badly as she appears to have no qualms about taking advantage of people! She'll find someone to help her; people like that always do. Notice how quickly she makes friends!
It won't be fun, but if she asks, you'll have to tell her you value your privacy and husband works from home now, so it would be a burden. And you wouldn't want YOUR friendship to end like the others.
You might want to suggest counseling to discover her underlying issues. She could be depressed.