As mentioned in this film, Chicago was the first to start turtle racing. But not in the Chinatown area. Actually at Riverview Amusement Park.
When Aidan and Jennifer are at the Christmas market around the 1 hour, 12 minute mark, there's a stand named Merry & Bright that sells candy canes. It is likely the same company from Hallmark's 2019 Christmas movie Merry & Bright.
The Holly Berry stemmed glasses the eggnog was in when they were decorating the tree were an Arby's Christmas giveaway promotion in the 80's.