(at around 10 mins) When Dean turns on the lights in the bathroom, they appear to go on, but when the camera cuts back to the window, it is still dark and there is no change in light.
(at around 21 mins) The reflection of Charlie in the glass is wrong. The reflection is of her right side, it should be of her left, the side that actually faces the glass.
At 30:55 -The camera shakes when a vehicle passes by.