I have a few S9's…

I have a few S9's using them as space heaters, attempting to print upgrades with a Creality 3d printer. One of my S9's went down, not sure why, but I ended up taking it apart, probably going to cannibalize its parts for the other rigs. Haven't gone down the repair route, for these S9's I'd probably watch a few YouTube videos and call it a day. Haven't used any Whatsminer rigs, nowadays I'm looking at Kaboomracks hosting and options for buying hash rate.