The Whole Shootin' Match (1978)

Lloyd (Lou Perry) and Frank (Sonny Davis), two lifelong friends and self-styled entrepreneurs in Austin, try to find the get-rich-quick scheme that will actually get them rich. Lloyd has developed a new invention that he's sure will finally lead to the success he and Frank have been chasing their whole lives. Their golden ticket is a combination mop, vacuum cleaner and floor polisher, but before prosperity arrives, reality intrudes on their plans.