Bring your own lens (if applicable) to ensure the autofocus motor and manual focus overrides communicate perfectly with the body.
When meeting in person, take a photo of a plain white wall or the sky at a narrow aperture (like f/22). Review the image and zoom in; any dark spots indicate dust or damage on the sensor. buy sell cameras
Just like mileage on a car, include the shutter actuation count. This is the first thing a serious buyer will ask for. Bring your own lens (if applicable) to ensure