When the German Shepherd is chasing Jay in Hank's house, Jay exits through the french doors onto the balcony, from the inside view, the dog grabs the door handle on one side but in the outside view, it the dog grabs the opposite handle.
In viewing the tape, there are multiple camera shots when only one iPad was used.
Near the end of the movie, when Clive is shown taking a phone call in the kitchen, the refrigerator behind him is the type that displays the temperature of the freezer and refrigerator sections on a front panel LED display, and the figures read "49" and "43" respectively rather than the below 5 and 36 or so for a freezer and refrigerator in normal use.
At around 1h 22 mins, Annie is filmed from behind, saying, "...it reveals that you'd..." but nothing on her face or neck moves.