The Start Your Own ISP website has technical information useful for people and organizations that want to start a CN. It covers evaluation of an area, finding a fiber provider, finding relay sites, picking a hardware platform, billing and customer management, network typology, building infrastructure, installing customers, marketing and maintenance. It also has some guides on tools, Google Earth, and rood and ladder safety. The Cost Estimate Tool is also useful (https://docs.google.com/spreadsheets/d/1jjUYOQMuZ4cRyTv1M5X8HGtrKFiW96_gNlfG8BBzRN0/edit#gid=0)