(At 29:01) When Scott sets down a game of checkers for the old woman, no game pieces have been moved across the board yet. However, just before she throws it to the floor [five seconds later], the game pieces can be seen strewn across the board as if a game had been in progress.
When Gypsy gets her medical card out of her mom's wallet, it is not a Medicaid card like it says at the top. The card she's looking at is a Medicare card (it lists part A and B) and Medicare doesn't put the person's birthday on the card, just the effective date.
Dougie wears a stormtrooper mask at the convention (set in 2011), but the design is from Star Wars: Episode VII - The Force Awakens (2015).