i refer people all the time--don't know if they call to schedule or not though. your battery is the heart of your car’s electrical system. coming with a carry bag and compact straps, you will be able to pack this chair into your car at a second’s notice and not worry about putting it up or down at the other end. some things just crack me up. the advantage of a hole saw style drill bit is that is only drills out a small portion of the hole - about 10% compared to a solid drill bit. 