I know this is a scam, but I've never heard of unpaid interns.
I got paid when I was an intern. I paid interns when they worked for me in the internet world.
We had interns every summer at the AGs office and they were paid. Some of these stayed on through the year. They even got prescription drugs if they joined the union.
Granted these weren't high salaries, but there was some pay.
Scam or no - that guy better make sure he's got Worker's Comp, liability insurance, etc., for those "interns" because California is insane when it comes to employment law - worse than NY. And, he'll likely be held liable for anything involving his "intern" if it's contested.
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Amo i Gemelli!!