Imagine that the city builds a water pipeline, snaking…

Imagine that the city builds a water pipeline, snaking from the reservoir all the way across town. It stops abruptly, however, at your property line, and it's your job to complete the final stretch of piping to your house. The potential is all there; it's right at your doorstep. If you don't install those last few feet of piping, however, you'll be left without access to water.