TOP 10 || Most Profitable Movies Ever Made (Based on Return on Investment)

1.  Paranormal Activity (2007)

Budget: $15k
Box Office: $193 million

2.  Blair Witch (1999)

Budget: $60k
Box Office: $248 million

3.  Mad Max (1979)

Budget: $300k
Box Office: $100 million

4.  Night Of The Living Dead (1968)

Budget: $114k
Box Office: $30 million

5.  Rocky (1976)

Budget: $1.1 million
Box Office: $225 million

6.  American Graffiti (1973)

Budget: $777k
Box Office: $140 million

7.  Halloween (1978)

Budget: $325k
Box Office: $70 million

8.  Once (2007)

Budget: $150k
Box Office: $23 million

9.  Saw (2004)

Budget: $1.2 million
Box Office: $103 million

10. Napoleon Dynamite (2004)

Budget: $400k

Box Office: $46 million