How Much Money Will You Make In Thise Career ?

if i start a car/truck rental company how much money will i make i was thinking of renting cars/ trucks in either las vegas or wyoming
i want to rent out full size trucks
chevy silverado. or similar
ford ranger or similiar
chevy tahoe or similar
dodge charger/challenger
mustang
i was wondering if i started my Company is it possible i could become a or close to a millionair
or would i make good money