Pros should remain in the background

From what you say, they are already doing so at your events. Perhaps you might try good manners, respect and gratitude (they cost nothing) if you want their support.

My attitude towards gig earnings has alway been that they are paying me for the wear and tear of my gear, and to be there. The music they get absolutely free of charge, and I am just paid to deliver it to the best of my ability.

You've still not answered my question, by the way.

Don Firth, you have the patience of a saint..