What's the lowest selling system you own, was it worth it, and why/why not?

[The_Liquid_Laser]

Wii U.  I think it was just barely worth it, because I liked it better than the other disappointing systems that were available at the time.  PS4 was a big disappointment for me, and so was the 3DS.  Wii U was also a disappointment, but it had a few fun games.  Unfortunately, the Switch made the Wii U obsolete, and my gamepad keeps having batteries that die, so it's not worth using in the long term.  As I said, the Wii U was just barely worth it.