Less that half of what you hoped for, is possibly the simplest answer.
Try looking for similar machines on eBay but remember that you are not providing any kind of warranty.
The first, and biggest, problem is to find a potential buyer
Best Black Friday Deals 2017
Black Friday Deals for Designers & Artists: Adobe, Apple, Corel Painter, Microsoft Surface, Wacom &e…
Best Black Friday Apple Deals 2017
Black Friday 2017 : date, sites participants & bonnes affaires