To any good parent, our babies are our babies, be it a child, or an automobile. I must say that the statement "The driver carting around children tends to be more cautious than the person driving a muscle car" in most cases simply isn't true. Hot rod, muscle car and restored car owners are usually the type of driver that will go out of their way to park away from the other cars. Consider the fact that many of these cars have been built or restored by the driver. Typically the case is this person has an tremendous amount of time and money invested in the vehicle (Have you ever spent $15,000 on a paint job?). A restored muscle car or hot rod is a lot like driving a museum piece, many are rare, some are irreplaceable, so these drivers are many times more likely to be much more cautious so as not to harm their "baby."
Collision coverage has a deductible, which is the amount you pay before your coverage helps pay for your claim. You can typically choose the amount of your deductible when you buy coverage. So, if you choose a $1,000 deductible and your car is later damaged in a covered accident, you'd have to pay $1,000 toward repair costs. Your collision coverage would help pay the rest, up to your coverage limit.