First instance of Sandra finding a mouse on a mousetrap and putting it back under the shelves.
Amy wears a different name tag in each episode. This episode her name tag says "Louise".
At the end of every episode the card for the production company Spitzer Holding Company features a variety of items they specialize in. In this episode they list Bitcoin Mining, Library Consultants, and Soil.
Throughout the episode they mention having a "perfect day" at the store. The day was March 14th or 3/14. The show takes place in St. Louis which has the area code 314.
Amy covers for her gathering of employees in the deli by pretending to hold an impromptu meeting regarding tornado safety, the first bit of foreshadowing of the tornado that hits the store in the season finale.