If it would concentrate on rent collection only and do it well, it might be okay.

It is too easy to scam over the internet.

Any article on the internet should be taken with a grain of salt and up to your discretion on how you want to take it and want you can gleam from it :)

There is a very big difference in my point of view hearing from someone who knows someone first hand vs. someone who just goes and does some internet research. 

I would like to learn more about seller financing, I see a lot of information on the internet about seller financing but honestly I am just confused.

You have to know your state landlord-tenant laws; they are on the internet:"In New Jersey, a landlord may need to give a 30-day notice to pay rent before eviction if the tenant has a history of late payments and the landlord accepts them.

Your equity is concentrated and not costing you anything.2.

Zillow / Internet, agents, off market, driving for dollars?

Learning from agents commonly working with investors is your next opportunity to find a mentor.To be honest, I wouldn't try to find a mentor from random investors on the internet.

Unfortunately, there are so many concerns regarding internet safety issues.