By Lucy Marshall A couple have shared what life is really like living off grid in a swap, surrounded by alligators and having to feast on rodents. Tara and Keith Gaudet love spending their time in their remote home in the Louisiana marshland where they shoot and cook wildlife for dinner, spend their days fishing, and hose themselves down with murky water for a shower. They see snakes and alligators “everywhere” and can only get around on foot or by boat – the area is so remote that it cannot be accessed by cars. The couple, who say they work in the oil industry, do not worry about crime on the…