A:AnswerNo it is not. They are supposed to use a wire harness to install a new radio. However, a wire harness is a set of pre-cut wires that plug into the vehicles existing harness. So if someone does not know what they are looking at it may look (at first glance) that wires have been cut when in fact they have not.
A:AnswerYes. Even if the unit comes with free install you will have to pay for the necessary parts to complete the install. Usually, but not limited to, a wire harness and dash kit.
A:AnswerNothing is free at Best Buy.
They'll even try to charge 65$ to setup an appointment online, with an email to confirm the appointment as your purchase...