A:AnswerI had geek squad tech service so it was no charge. If you don't have this feature there might be a charge for camera install. Just because you have radio stuff apart doesn't necessarily mean the same for camera install and wire run.
A:AnswerI am in the process of getting mine installed at bestbuy. The camera will be connected to a pioneer stereo receiver I purchased that has the camera option I do not think this can transmit to a phone. I would suggest calling the Best Buy car audio in your area to confirm.
A:AnswerI put it on myself not sure didn't even ask about them installing it. It is very easy to put on took me about 15 or 20 minutes start to finish.