For the past month, I've voiced the desire on stream to have a 3rd monitor.
One monitor was always used for the poker tables, the other had to handle OBS Studio, Chatty (handles the stream chat), VLC (music), and my window management app and whatever else.
So, with the third monitor, I can have OBS on its own monitor, all poker tables on one, and the third for all the extra stuff.
Here is my current arrangement:
#1 is the new monitor, and will be the poker monitor -- I'm so tempted to call it the pokemon
#3 is the monitor with the Windows Start menu on it, (the "primary display") and
#2 is the catch-all.

The middle one is for poker tables, the left for OBS and stream aids, and the right for all else--primarily chat.
I've also thought of doing something like:

or perhaps this:

I'll run with things as they are for the moment, since I can't do either alternate unless I get a support that will allow me to put the monitor up high.
Cheers,
VS