Revealing mistake: Ms Babcock enters the house and stands by the small table You can see Maggie in the hallway behind her come out for her scene too early and duck back out of sight, and then quickly re-enter the scene just as the camera pans away. (00:07:20)
Revealing mistake: As Chloe Simpson is leaving the mansion at the end of the show, she trips over Fran's foot without touching her. She starts to trip about half a foot before Fran's shoe.
Answer: Mr. Sheffield needed someone to manage the kids, not necessarily babysit them. Brighton was a Bart Simpson type, Maggie was shy and awkward and Gracie had personality issues.