In the aftermath of the Snow Queen's spell, portals were opened up all over Storybrooke bringing in people from realms far and wide - across all universes (even the alternate ones). In a desperate attempt to protect the world at large from the influx of these newcomers, Regina sealed off Storybrooke permanently, making it impossible for anyone to leave the magical town.
What do you say we work together in counseling people?
I have an idea of perhaps a Counseling Center? There's some empty stores, we could turn it into a center. With all the people here, you and I can make a killing in profits and of help people too.