That's what I meant Mike.
"I'm on the job and my machine won't start...."
They usually don't call back because my first recommendations like:
"Do you have gas in your gas tank?" (slide ins)
"Did you start your truck/leave your truck running" (van powered)
.....sort of leaves them embarrassed.
Not getting thanked for helping them to get a job?
....well, that's just ingratitude I suppose. I'm used to that too.
A guy a lot wiser than me once told me:
"We need to figure out by the time we're 6 that we aren't the most important people in the world"
Being the emergency responding service tech/cleaning guru/marketing support to your customers will teach you great humility, and help you to gain perspective about your place in the universe.