Continuity mistake: In the kitchen, while Fran is telling Maxwell about Brighton and Tiffany in the shower, the glass of juice on the counter appears and disappears between shots.
Continuity mistake: When Maxwell is talking to Brighton about the battle of the sexes, he puts his hands in his pockets. The shot changes and suddenly his hands are at his sides and he puts them in his pockets again.
Continuity mistake: When CC takes the pile of showgirl resumes from Maxwell in the office, she holds them with both hands. When the shot changes, she is holding them with one arm under the pile and the other hand leafing through them.
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.