It is important to understand the warning about wind because wind is the most likely cause of serious problems with these drones. The drones in this category do not fly well in the wind because their motors are not strong enough. It is easy to lose them in the wind, so do yourself a favor and do not attempt to fly them, especially up high, if there is even the slightest wind outside. It would be better to fly them indoors if it is a windy day. 
Almost all of the models featured here have some safety features. Even the DJI Spark, which isn't built for long-distance flight, includes a GPS and automatic return-to-home functionality. If your control signal is interrupted, or if the battery gets down too low (most drones can only fly for about 25 minutes on a single battery charge), you drone will start to head back to its takeoff point and land.
Many manufacturers mount cameras inside the body of the drone. This is acceptable for casual photography, but if you want more professional results, consider adding an external camera mount, or gimbal. Gimbals allow you to place your video or still camera in front of the drone body, away from the vibrating motor and rotors. Gimbals can swivel and pivot, providing you with additional control over your imagery.

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