the automated golf ball gathering system has been done several ways. Ive worked with 2 or 3 startups that did it and disappeared. systems to get them from lakes or on the turf. in the end its a two part process and the most labor intensive part is not the gathering of the balls. its the sorting of good balls from bad at regular golf courses. there is more money in cleaning up a course that is not purpose built because the balls are not beater balls. dont let me discourage a perfectly good project. thats not my goal but to make it commercially sustainable it seems that doing it on a golf course is where development dollars seem to make sense.