You could indeed become a crowdfunding marketing expert in many different areas of internet marketing but you should concentrate on a couple of different aspects, at least when you are just starting. But various factors need to consider becoming a crowdfunding expert.
Every crowdfunding expert should have a specific skill he mastered better than anyone else. It might sound strange because you would expect an expert to know everything, but in crowdfunding marketing, you do not have to know everything. It is enough to master one specific skill to succeed and make a great living.
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Genuine crowdfunding marketing experts should possess leadership qualities. Those are persistence, perseverance, networking, focus, determination, and ability to listen. So far, I haven't met an expert who wasn't a good listener or who was self-centered. The real expert always puts the attention on to the other person.
If you want to find out whether someone is an expert it is better to see him in action. Maybe visit a webinar where he/she speaks or even ask him to show you how he does it. There has to be proof of what he is doing works and it has to be easily accessible.
You could start with something like affiliate marketing which offers the crowdfunding marketing expert wealth of opportunities to make money, and good money at that. By becoming an expert in this field you will find your advice to be very much in demand and apart from that, your own affiliate marketing business will offer you many ways to become known as a crowdfunding marketing expert.