When Cassie is walking around with the axe, the axe head is randomly bloody in one scene and completely clean in the next.
When Sarah records her video she says she's collected several trophies from Cassie's boyfriends, the first time the video's replayed she says she's collected underwear from the boyfriends, the second time it's replayed she says trophies again.
It Is Nearly Impossible To Dig A Hole By Hand In A Grove Of Mature Trees.
Cassie keeps saying mum instead of mom revealing she's not American.