Look at what older series of Phantoms are going for on eBay, even damaged or parts items and you'll see that there's a ready and lucrative market.
A friend of mine has a 3DR and we spent some time flying them together this past weekend. Some of the pre-programmed flight paths/modes are pretty handy, but not necessarily for my work. The video is the same since it uses the same camera.
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Forgot about those. Aren't they more expensive than the Phantoms?
Yikes!! You can get a P3 Advanced for $799. And I think it has waypoint capability, if I'm not mistaken. The Solo's do look cool though...