> The other issue was in most jurisdictions homeowners get exceptions on licensure requirements for small jobs done in their own home, a pro has to cover this c

> The other issue was in most jurisdictions homeowners get exceptions on licensure requirements for small jobs done in their own home, a pro has to cover this cost. In my state, a plumbing license from the state costs $139 and lasts three years. That's not exactly onerous. > Also I’m guessing you didn’t need to pull a permit for the low voltage line, very possible one was not required but not necessarily. I'm yet to meet a contractor who doesn't pass permitting costs on to the customer.