To be blunt, I’m not entirely sure that a basic bpressure washer/b would be enough to generate any sort of reasonable income. Many basic units rely on a hookup for water and electrical. And most lower priced units have poor quality pumps and unloader … Location: bBoca/b Raton, Fl. Age: 24. Posts: 743. I appreciate the info…I don’t exactly mean commercial usage, but more of neighborhood driveways and stuff. I would prefer a gasoline unit…Water source would be via hose. …