At around 28 minutes, Tori drops the bag of groceries on the ground and it lies sideways. When the bag is shown again, it is facing upright.
When Daniel and Johnny go to a hockey game, there's a sign that says Winnekta Ice Center. Winnekta is located outside Chicago. It even has the same blue ceiling beams as the actual Winnekta Ice Arena.
When he approaches her at the supermarket, Kreese claims Amanda is in violation of the restraining order he had the court declare against her. Actually, he is the one in violation of the same order by deliberately approaching her.