I use 2, but may go back to one. Tired of streaming and having my main monitor lock at 60hz cause of a small preview playing on OBS on the secondary monitor (main is 144hz, second is 60hz)
I don't see why people go for more than 2/3 monitors to be honest. In my opinion across screen gaming is crap with the massive gap in between each monitor. If the monitors were like the newer mobiles where it goes to the edge I would be all for it. But with sooooo many monitors u would have to look half way across the room to read something on a chrome tab or whatever without using a lower res