"The Y6 DIY kit looks very interesting, but unless I'm missing it, the product page doesn't have critical information like the frame weight and size, and clearance under the body. Without that, it's difficult to decide whether this is a good choice…"
"You should check with the FAA before doing this. Flying a drone under any conditions or limitations for commercial purposes / business / compensation is a violation of current FAA regulations, even if it may be legal (opinions differ)."
"Very few people will pay even $1500 for a SenseFly clone, much less the original at $20K, as long as the FAA says that you can't fly one of these and make money (or use them for research/non-profit/academic work, for that matter)."
"Very limited Android support, since Bluetooth 4.0 isn't fully supported on most phones. If you could live with shorter range device (100 ft.), the original StickNFind is cheaper: http://www.indiegogo.com/sticknfind/x/1850056."