As part of Prime Day's Blu-ray deals, the collection is just $16, which is roughly the cost of a single movie. The Conjuring Universe: 7-Film Collection - 64% Off The Conjuring 7-Film Blu-Ray ...

This Blu-ray collection also doesn't include any of the three seasons of the Chucky TV series. However, Amazon is also discounting those right now if you want to complete your collection.