Continuity mistake: In the scene where Josh tries to prove Susan is cheating on Drake with him, after Drake comes out of the closet the camera is facing him and the right side of Josh's shirt is on his right shoulder. In the next shot, it's hanging off his shoulder. When the camera faces Drake again, the shirt is back on Josh's shoulder. In the final shot, the camera is facing Josh and the shirt is hanging off of his shoulder again and he fixes it.
Continuity mistake: When Drake and Josh are trying to pull the phone from the base, the phone gets thrown across the room into the fish tank and breaks. Then about two scenes later the phone and base are back on the table and fixed up.
Continuity mistake: In the beginning after Drake asks Josh, "what guitar do you think would look best." He opens up the cabinet and paint squirts his face. At first it only squirts his forehead, but when it switches views you can see his whole face is covered.
Continuity mistake: When Drake drank the hot iced tea as a result of eating spicy spaghetti, he only has hot sauce on his upper lip, however in the following shot after that, he has hot sauce all over his face.
Chosen answer: Well, she is the most liked sibling, so she can probably get more out of her parents, or get money from both of them without the other knowing, or as we saw in the Gary Grills episode she can get money from people easily by telling them all sorts of stuff.