I suspect we have all been here to some degree. Phantomrain hit the nail on the head...you need to build confidence in the drone and in your ability to control it. Tackle each point of concern (sand, wind, salt water, etc.) and go fly someplace...
You don't use a hammer for every task and you wouldn't use a drone for every encounter either.
Some people can't seem to grasp that.
Fire trucks have all kinds of utilities available and only use the ones that they need for that task. Police...