You need to add residence into market with /res market rentable [residenceName] [costToRent] [intervalInDays] (allowRenewing) (stayInMarket) (allowAutoPay) command, in example /res market rentable MyHouse 1000 7 this will put MyHouse into market for rent, for 1000 bucks each week. After that, put sign inside residence with top line as [market] and rest will be filled up, or you can put outside residence by providing residence name in second/third/fourth lines, start from first and carry name on next line if it cant fit on