I have OCD so always do my pre-flight checks, today it paid off in a big way I found one of the prop screws had backed off about half a turn this may have never come all the way out but knowing my luck it would have and I would have had a bad...
It would be good to have both options, "Hover and land" and "Hover and rth) If you're hovering over water trying to reestablish a connection, you definitely want to go up if you fail to do so, (unless you have pontoons on it.)
When we race we use "Race Mode" to separate channels BUT in your case the problem will be minimal too non-existant.
If you have any interference at all you will see it first in the video, It will start to become laggy or "choppy" as the Drone...
Unlike a couple of camera drones which are less maneuverable and nimble, I suspect a couple of FPVs in the same airspace will have no problem. I've never heard of two FPVs colliding that weren't "racing" because they are often smaller (usually...