Guerrilla filmmaking refers to a form of independent filmmaking characterized by ultra-low micro budgets, skeleton crews, and limited props using whatever resources, locations and equipment is available. The genre is named in reference to guerrilla warfare due to these techniques typically being used to shoot quickly in real locations without obtaining filming permits or providing any other sort of warning.
Independent filmmakers typically resort to guerrilla filmmaking because they do not have the budget or time to obtain permits, rent out locations, or build expensive sets. Larger and more "mainstream" film studios tend to avoid guerrilla filmmaking tactics because of the risk of being sued, fined or having their reputation damaged due to negative publicity.
According to Yukon Film Commission Manager Mark Hill, "guerrilla filmmaking is driven by passion with whatever means at hand".[1]