You can use Cozy or your state LL association for background checks, credit reports, and docs. including leases.

Maybe consider peer to peer loans or credit card 0% checks

@Mike HoeflingAre you prepared to accept rents in cash only?

Try a local bank or credit union to get 80%. 

Does anyone know of any credit cards that would allow you to purchase a property with it?

Closed on my property yesterday, received my final closing documents today and I see that lender wire me more money than expected, turn out a part of my seller credit to buyer is not included.

Has anyone had luck finding a credit union in NY that gives 80% on heloc for a rental property?

@Louis Dobrik that is going to depend on how well you do your research and how prepared you are. 

I am trying to get a business line of credit using my EIN mainly to establish business credit..

People with good credit are rewarded with same.