I remember ~20 years ago a guy where I worked was the in-house telecom type guy, phones, network drops, etc. Before that he was a tiling contractor. He said y

I remember ~20 years ago a guy where I worked was the in-house telecom type guy, phones, network drops, etc. Before that he was a tiling contractor. He said you could make $1m a year if you wanted to. But it was physically super demanding (that lead to his transition to telecom)