+1 to that. I started by FPV hobby about a year ago (just regular analog tinywhoop). So it's 30% flying hobby, and 70% tinkering around and learn:
1) how to solder,
2) how how charge and use lipo batteries,
3) how antennas work, polarisation, connectors etc,
4) what all these buzzwords in betaflight means
5) binding, expressLRS setting,
6) 3d printing protection parts,
7) even there are different connectors standards!,
etc
so it's whole umbrella of little hobbies that comes with it. At least for me it's lots of fun, because it takes a few hours of learning time and you get working result. But it's not for everyone for sure.
Drastic different with PnP experience of DJI drones.
1) how to solder,
2) how how charge and use lipo batteries,
3) how antennas work, polarisation, connectors etc,
4) what all these buzzwords in betaflight means
5) binding, expressLRS setting,
6) 3d printing protection parts,
7) even there are different connectors standards!,
etc so it's whole umbrella of little hobbies that comes with it. At least for me it's lots of fun, because it takes a few hours of learning time and you get working result. But it's not for everyone for sure. Drastic different with PnP experience of DJI drones.