These are cheap used, lots of "opened box, turned it on once" and similar ads already a week after launch, very cheap, some half price, but still most remained unsold. The same happen for all Lumia flagships since the 920.
Microsoft, you ruined Nokias finest phone models. You had no idea how important the build quality, technology, and design of a nokia. Wait and see, Nokia is coming back. Please stay out of phone business and make PCs, we dont care