How about having N drones and taking turns? Seems to be much cheaper and doable right now. For instance, people cannot operate 100% of time. I know that there'

How about having N drones and taking turns? Seems to be much cheaper and doable right now. For instance, people cannot operate 100% of time. I know that there's been some research in eliminating the need for sleep, etc, but having watches worked for ages.