For sale, $400 without Pixhawk 2.4.8 controller (includes APM 2.6 though) or $500 with Pixhawk, plus shipping, which likely will be around $50 depending on your location.
I simply do not need a drone of this size. It flies but I have NOT worked on tuning or stability at all. I just have no interest in spending time on it, honestly. I hope it will bring someone else joy. It is impressive!
All info is in this video: https://youtu.be/yjLgNeAK8CE.