The US as in US Virgin Islands means that you are guarded by the laws of the US. Simply comply with your part 107 regulations and you'll have no problems.
No ... there's a hint in the words that AGL stand for.
That's above ground level, not above launch point height.
Hardly anyone.
The feature is mostly for DJI to show off their smart technology.
Ok, I've solved the issue.
As it turned out, its the same issue as usually: my own stupidity...
I've stated before that I've tried to get GPS signal from different locations which was true but as it turned out those locations simply were too...
Your Drone could very well have internal damage that you cannot see. However the parts are fairly cheap and it is possible that you may just be able to repair it. First you will need the correct soldering iron do not touch a hardware store iron...