A course on contracting or for any licensing exams?
Where are you located? Location will determine if you need to take a test or not.
Online courses - if you can find some business classes would probably be more beneficial than anything else.
Business classes and construction management classes in combination with each other are great if you want to be a contractor. I also encourage you to get your hands dirty, because nothing beats that one two punch of education and practicality.
IL is funny. No GC certification required, but you need certification for most sub work. The good part is that even a GC can't get a permit without his subs liscences... so anyone can be a GC but you won't go far without liscenced subs.
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