Dont forget about the Joy-Cons, the only way Switch TV is $149 is if it comes with no controller.
Maybe its sold without, or maybe its a budget version of the pro controller without the parts that make it expensive.
I still think 149$ is possible without losses, for a Switch Tv.
Necro-bump this 2020: http://gamrconnect.vgchartz.com/thread.php?id=229249
Bumb in 2021: http://gamrconnect.vgchartz.com/post.php?id=9047071