A standard toilet install should take between one and two hours to complete and cost an average of $348 or less. Basic installs will run around $115. Unexpected costs could raise the cost up to as much as $800. A standard installation process will consist of:
Many people survive broken necks. It depends on how severe the fracture is. If the spinal cord is damaged there will be paralysis of some sort, but if not, most people will eventually return to live normal lives. The recovery period can be long, however.
Do not risk it with a neck injury. There was a national geographic team doing a shoot on a mountain, and they got hit by an avalanche. A photographer broke one of the vertebrae in his neck, and (oblivious to this fact) bent over to pick up his camera, completely severing his spinal cord. Dead on the spot. Edit: The source is my wilderness survival instructor, when we were going over head/neck/back injuries.