Plan is to start with a multifamily house, or a single family with an in-law suite in the back.

As I am in the process of setting up an LLC in one of the 50 states, I will require a new bank account.

They will help you plan out the next year and capital expenditures and other tax advantages. 

Checklist and document management throughout processing (configurable and ease of use for lender)4.

Let me know your thoughts, just trying to hash out a concrete plan. 

Is there a resource you could point me to or maybe I could pay someone to hold my hand through this process?

I am aware of the individual trade licensing and the permitting process.

Are you planning on living in it?

You have to pay capital gains regardless of whether you had a mortgage once you sell unless you do a 1031 exchange in which case the process starts itself over and you don't have to pay capital gains tax unless you sell and don't 1031. 

Of course that not everything to it, but its the meat and potatoes of the plan. let's see the numbers