Don't mistake that for jumping in with both feet before testing the water, though. 

@Dylan Mathias • 1% Rule - Quick, easy, usually the first test it needs to pass

The course and materials to get license is going to run me about $4-500 and about 12 hours of study and testing.

They needed a blue dye test, but didn't keep me updated, until I finally asked and they said they had filed it with the wrong department or town. 

In my world a Contractor is a business owner , someone who has sat down taken tests to get licenses in 1 or more trades . 

I did a test run with smartrent.co on myself.  

I bought a 100 year old house that probably had lead Paint throughout but I didn’t say it had lead Paint because I had never tested for it.

I tested a lender that funds 90% of construction and 95% of acquisition.

Finishing up my coursework and will be taking my test soon.

If you want to try an advanced statistical technique to improve your chances of increasing your response rate, research Design of Experiments (DOE), which is a multivariate method of testing many factors simultaneously.