Too late to start mining at the end of 2017 with a few Antminer S9's?

My friend and I are thinking about investing $6k into a few Antminer S9's.

Will these only be good until February 2018?

Or will a handful of these be able to profitably mine bitcoin throughout 2018?

Thanks!

Submitted December 02, 2017 at 02:16AM by Mano21 http://bit.ly/2AM5sS1