A small plot hole...
This is just a dumb observation, but how is it that Abigail has the ability to kick Ben out of a house that he owns. They're not married, and since the credit for the first films find went to Ben then its fair to say that the money did as well. So, it is very likely that the house would be under his name.
Obviously there are many possibilities for this, but the lack of explanation in the film was humorous to me.