Dream Home (2010)

Both are Hong Kong horror films about women that are willing to go to extreme lengths to get what they want.

If The Price Is Right: Intruder Edition
Both are a social commentary on the universal housing crisis. It's a gray area character study on a dog-eat-dog world. Dream Home is a slasher film so beware extreme violent content.

Desperation.
Both the female leads went something and will do anything to attain it. In Helter Skelter we have a women who is a beauty and will do what she can to stay that way. With Dream Home we have a woman who wants a condo with a water view and will do what she can to attain one.
Both show that sick side of human nature in a gruesome way. Leaves us asking: What would you do for the thing you want most?