Just be aware ( I dont know how they would find out or check ) In the U.S. your DJI must at least be updated to the firmware that turns RID on to be legal to fly.
Real world this week, 9.5 km out and back, sport out normal back. Landed with 26% battery. This is clear arid country on a high point, not too terribly high, but a bit of a knoll. 10 knot wind, measured, flying at 6,200' (1890m) altitude. Trying...
I have caught myself 'loitering' once or twice when I lost my bearings and was rotating the drone looking for a strobe pulse. Watching the monitor then go uhoh look up and uh... uhoh.
Not surveilling, simply not moving until I regain positive...