Awful advice. Do plumbers/electricians/barbers offer a “free trial” to see if you like their work? I’m not a freelancer, but I’d hang my head in shame if I eve

Awful advice. Do plumbers/electricians/barbers offer a “free trial” to see if you like their work? I’m not a freelancer, but I’d hang my head in shame if I ever paid zero for someone’s work, even if I hated it. I value their time.