Good answer already.
My addition from experience is that sometimes when you do something new you are the expert concerning it. I have over the years done several 'new' things, not World-changing stuff, just a new way of solving a problem, or identifying a problem and making a solution for it.
There was no point getting someone qualified in that field to check it over because in terms of the important parts they never knew it was possible and I deemed it a hard earned arrow to my personal quiver that I'm not about to give away for free. On some occassions I haven't seen much worth in a qualification if I can solve a problem the qualified people can't, or in a better way.
In one instance I was commanded to appear before a King and explain why I did something without qualified support, and had to explain that the 'qualified' solution was rubbish compared to mine. After which my solution was implemented in 11 govt departments in 2 countries and is still in use over a decade later.
Also there is always the danger of your discovery becoming someone else's, this is rife in many areas especially the groundbreaking ones.