When Benjamin's mom holds up the bag of country balls, she holds it with one hand. When the camera changes to Benjamin, she is holding the bag with two hands.
When Chevalier is reading Benjamin's story he has just opened the binder, in the next shot it shows he has read at least half of it.
When Chevalier opens "Yeast Lords," the audience hears the second part of the story as though he's reading it, even though it's obvious that he has opened to the first page.