Welcome to the forum from Chicago the Windy City.
All good suggestions, have another one for you. A National Drone School course I bought on Groupon for $5.00 bucks. When your done, you will have viewed all the videos necessary to have a basic, plus back ground about drones. Plus, after complication of the course you get a certificate of completion. Teaches you about controlling, maneuvering, and FAA Rules and Regulations and qualify you for recreational UAV Flight. One of the many questions asked is "What is the most important thing to do before you hit the RTH feature?" Also, don't spend more then $10.00 bucks for the Drone School. Oh, please read your manual about RTH, Understand how it works, especially if you fly beyond VLOS. The RTH feature is one of the most complex features of ba DJI drone. There are many possible scenarios that could occur when RTH is initiated. CAREFULLY review the RTH section of you DJI manual so you understand what to expect. Give you a example of what not to do. A pilot was on a boat, his boat was anchored on a river. He took off from the bow of his boat, home point was set. He flew his drone down river, and wanted ton keep VLOS,
so he raised anchor and followed it down the river. All, of sudden he got a low battery warning, he was not worried, because he set a low battery RTH. Low battery RTH is a different scenario, when the Mavic detects it only has enough power to make it back to home point. Low battery RTH will be initiated and a message will be displayed on the screen in DJI go to alert you that your Mavic is going to auto RTH in (10 seconds).
If the pilot does not cancel procedure from the screen, in DJI go app, the drone starts returning to home point. Pilot did not know what to do to cancel the auto RTH, and watched his drone fly over his head back to where he initiated the home point. And, watched his drone sink into the river, never to been seen again. I like to share experience because it was preventable. .So, fly safe, keep your drone safe.