How those Selling Sunset mega-mansions in LA stay looking pristine, even when empty – the legions of workers behind the scenes

• Running these prized properties can require huge teams of staff, and whenever they surface for sale, many dozen more workers enter the fray
• Even when unoccupied, The One – a US$141 million, 105,000-square-foot behemoth – clocked up a monthly bill of US$40,000 for its maintenance team