I can setup and tear down quickly, I can play very quietly, and I can learn and remember tunes in most styles quickly.
One of the coolest touring gigs I ever got was with a now deceased jazz pianist/singer. I didn’t have near the chops of her longtime drummer but she called me for her last tour after seeing me play with an opening act. She said I played quietly enough that she could hear the vocals, and I got my gear on and off the stage quicker than anyone else she had ever played with. Those things were more important to her than chops.