| − | Some players have added extra rules, called "House Rules", such as fines being paid into a kitty in the center of the board and collected by whoever lands on Free Parking and collecting double salary when landing on GO, traveling on railroads, double buildings, "free market" (not needing a monopoly to build), instant hotels, partnerships (two players form a monopoly), utilities are treated as railroads, uneven building, unlimited buildings, immunity from rent, game starting auction, double properties, no building or collecting from Jail, and many more.<ref>[http://www.playagaingames.com/games/monopoly/home_rules/ Monopoly House Rules]</ref> | + | Some players have added extra rules, called "House Rules", such as fines being paid into a kitty in the center of the board and collected by whoever lands on Free Parking and collecting double salary when landing on GO, traveling on railroads, double buildings, "free market" (not needing a monopoly to build), instant hotels, partnerships (two players form a monopoly), utilities are treated as railroads, uneven building, unlimited buildings, immunity from rent, game starting auction, double priced and rent properties, two game boards in play, no building, trading, or collecting from Jail, and many more.<ref>[http://www.playagaingames.com/games/monopoly/home_rules/ Monopoly House Rules]</ref> |