The only place I ever played that had the ability for IEM was a church we attended. Being old school, I ran the axiom mix into a powered hotspot. Line out of the amp for the FOH with the amp tilted back so I could hear it over the orchestral instruments.

You can find my music at:
www.herbhartley.com
Add nothing that adds nothing to the music.
You can make excuses or you can make progress but not both.

The magic you are looking for is in the work you are avoiding.