I am apparently in the minority big time on this, but I loved this movie. It felt reminiscent of a Hitchcock thriller with the kind of psychological suspense it delivers. While yes, in some ways it relies on the expected scare tactics, it also has some fresh twists that I felt make it stand out from most movies in this genre. I rarely write movie reviews, but seeing how much this movie is trashed I felt compelled to.
I wouldn't give it 5 stars because of some minor plot holes that I felt could've been clarified a bit more, but I definitely give it 4 stars!