250.00
Probably an hour or a half. It depends.
Car door protectors can vary between $20 and $100 depending on what kind of car door protector one wants to get and how much a person is willing to invest in a car door protector.
It depends on the car size and design.
its probably cheaper to just buy a used door. of course this doesnt account for any damage to the car, or blending of the panels. look on car-part.com for a used door
The gatepost was scraped by the car when it turned too sharply while entering or exiting the driveway.
It depends on how much help you have, how much you would have for a yard sale, and other factors. If you do a car wash, it would be better to do it at a high visibility location and let the customers come to you. You could have a yard sale at the same location at the same time if you have enough people helping.
around 150pounds
It is the person who opens the door. Of course it is dangerous to speed, but surely you would see a fast car coming towards you, so if you were smart, you would wait until the car has past :)
unlock the door
gamma ray
Get out of it. You'll probably have to smash the window in order to do this, as the force of water against a car door even 1/3 of the way up the door will be too much for you to be able to open the door.