Grandma's corpse is seen "corpsing" (smiling) in some shots.
In the end credits "audionautix.com" is misspelled as "audioautix.com" as a result of typing error.
"Neighbourhood" is misspelled as "Nieghbourhood" in the end credits as a result of typing error..
From 02:41 to 03:30 cameraman is reflected in the glass door.
Christopher J. Dinnan's reflection in Grandma's sunglasses in the scene of her new "makeover" might be an intentional cameo.