Basic Drone Flying Exercises
http://fromwhereidrone.com/how-to-fly-a-drone-the-ultimate-guide/
A series of flight patterns to get you comfortable.
A series of exercises
http://clayviation.com/2016/10/19/5-drone-maneuvers-to-improve-your-flying/
I really, really like this guy, Drone Film Guide.
https://www.youtube.com/channel/UC9tnwOsaA7T29VuUCuXvr7g
He has a number of very good videos as well as a paid course or two. His videos are well produced, clear, concise and 100 percent focused of cinematic techniques.
He also covers post...
I use what I affectionately call my Range Ball Drone, a Hubsan X4 107d, about $45, to practice with. It’s indestructible, hard at first, but practice, practice, practice indoors and out.
You’ll be a much better pilot.