 They became Australia’s largest on-course bookmakers in 2007 and 2008.In 2013, Waterhouse expressed his regret over the public acrimony between Gai Waterhouse, Tom Waterhouse, and John Singleton, as a result of the More Joyous affair.Waterhouse was also a successful commercial and residential property developer and hotelier, building the first strata-titled home unit development in New South Wales and the top hotel licence in Australia in the 1960s.