Wholesaling With Mortgage

[Pnade Marsh]

Hi, just recently started educating myself to become a RE Wholesaler.  I received my first call from a guy who wants to sell his 2 flat.  I scheduled a meeting for tomorrow but i'm nervous.  I searched as much as I could about the his property and he has a mortgage with tenants.  Im really not sure if this could be a good deal or if i shall walk away. How do I go about turning this into a real deal? What steps do I need to take?