I have sling! I generally only end up watching it for sports and occasionally the food network. I like it though. For the cost, I get to keep up on the few cable shows I watch and have live tv for background noise.
I have a Roku and have sling, Hulu, Netflix and the student prime. Not including prime all my entertainment is $40 a month, including prime $44. Perfect alternative to cable.
I also don't pay for internet. The free google fiber works great for streaming.