Factual error: If Chuck had shut off all the electricity, the meter would be moving imperceptibly slowly, if at all. (00:30:31 - 00:34:20)
Continuity mistake: Jimmy shows up at Irene's door with a box and some balloons. From the side view as she opens the door, the balloon with flowers on it is closest to the door with the pink and blue peppermint swirl balloon behind it. When the camera cuts to looking at Jimmy from inside over Irene's shoulder, the peppermint balloon is now in front with the flower balloon up higher between it and the other balloon. (00:28:36)
Answer: The bulldozer could be disassembled, the individual pieces carried down, and then reassembled once underground.
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