Shoot the center ramp from the left flipper repeatedly all day. After 99 miles, the ramps at the "End of the Road" are 200k.
Shoot flashing numbers to light locks at Shelter and side ramp. Lock 2 balls for MB. Center ramp lites jackpot, side ramp scores jackpot.
The side ramp will spot the lowest number on the building. Useful for difficult/dangerous shots.