Where can I learn more about UAVs, incl: what to look for when buying, how to fly, how to hook up a GoPRO, how to provide live FPS video? Also, what are the li

Where can I learn more about UAVs, incl: what to look for when buying, how to fly, how to hook up a GoPRO, how to provide live FPS video? Also, what are the limitations re: flight time, weight carried, etc? I live in a disaster-prone area (NOLA) and would love to have one of these, just in case—I just don't know where to start.