Now that I have a number of successful missions under my belt I'll share my favorite way to use the GS: sitting in a comfortable lawn chair, wearing FPV goggles. This relaxed posture allows me to focus my attention on controlling the gimbal's tilt angle, which in turn has greatly improved the videos I've recorded. I use the GS for stream and habitat surveys, so it really helps to be able to concentrate on what the GoPro is "seeing" with hands-off flying, rather than trying to do six things manually and simultaneously.
Previous to installing the GS, I rarely used goggles.