We used to use one for registering our radars on airfields it was a vast reduction in price over the old way of getting a chopper to go hover for us while we pinged it from each bit of kit. Technology is constantly moving forward we brought ours about 5 years ago so a few things to think about:
As you noted light drones are very effected by gusts of wind, if you live in a windy area you will need to check what wind speeds it can cope with. The camera or its mounting (gimble) will need to compensate for movements due to wind gusts. The speed the thing can fly at is a good indication of potential stability.
GPS should be a given...
How long will you want it to be air borne to do what ever you need? Flying somewhere cuts into the flying time (as does returning) Spare batteries can be eye watering.
Assuming a camera... Do you want live streaming to the ground or are you happy to recover the video later? We used to find the live streaming very useful as there was nothing worse that videoing something and not knowing until you got it back that you should have taken more pics at a different angle and by that time you had run out of battery charge for a while.
Do you want it to carry anything? We used to hang a radar reflector off the bottom off of our one. I think they may have sent it back for the sandwiches at least once
Jo