Ok ok, I don't like GameStop as much as the next guy, but they're offering 5 dollars for the Steam Link.
(Also, 32.99 for the Steam Controller)
It's on their BF ad. You can view it here: https://www.gamestop.com/gs/pages/holiday/2017/BF/FSI/BlackFriday_2017.pdf
If I didn't already have it...