I buy drones (or any electronic toys or gadgets really) the way I gamble at casinos. That money is already forfeit. I expect no return except for the entertainment value it gives me. If I win like getting that epic shot (I have collected a few...
I keep my drones, I figure I will never get near the money I have spent on them anyways. and after you strip the electronics to feed the other Drone, simply paint the old plastic body silver and you have a nifty flagpole topper!