I have a "limited use" policy on three of my big trucks that costs me around $25/6 months each. I rarely put 500 miles on any of them per year so limited use works for me. My agent said as long as I don't drive them to work everyday, they would be considered limited use. My agents' pretty cool, he said there wouldn't be anyway to prove how much I drive them anyway, so go ahead and drive them as much as I want.
Scott