Off Grid Challenges   Recently, there has been a few people talking about off grid living. This is an admirable and romantic idea, and something I would like to do myself. Then reality kicks in. First we must agree what we mean by off grid. To me it means not connected to main services, but usage of public services i.e. roads, domestic rubbish, healthcare, education, policing, food, clothing etc is allowed. Basically it comes down to water, waste and power. I have come t