° Don't leave your model in a car in the middle of summer if your principle construction method is hot glue
° 3D LOCK DOESN'T MEAN JACK - you absolutely need telemetry so that you can track your GPS location and wait for it to settle down. Since the crash I have seen the 3D lock jump 30m and back within a few seconds. Almost surely this was the reason for my model rocketing off (I got a 3D lock after 20s or so in a completely new location).
° There are HD cameras and then there are cheap HD cameras. Cheap HD cameras are not HD, no matter what the video resolution output is. HK HD WingCam I'm talking about you. $40 wasted on you when the 480p keychain for $7 makes better video.