Everybody loves an underdog success story, and these low budget movies are classic examples of little guys making it big. From classic horror movies to well-loved comedies and action thrillers, some of the most famous movies of all time were actually made on the cheap, proving that you don’t need a ton of money to tell a great story. To a regular person, a budget of a few million dollars sounds astronomical, but in Hollywood, that’s chump change. Read on to see our ranking of the most successful low budget movies, ranked from lowest to highest earning. You’re in for some big surprises.