Commercial lenders don't usually offer 'pre approvals' but will provide sellers with a letter of intent.

Most likely, yes, especially if you have a clause in your lease stating that the written agreement reflects the latest understanding of the parties as to the rights and obligations and that no other promises or statements shall be incorporated to the lease (a preeminence clause).

There is a significant difference in rehab costs between those generations: anything pre-WW2 was custom built on site.

Its not advisable to hold real property in corporations, and S Corp are more corporate-like.Just stay with the default partnership and deal with the 1065 and K-1.More importantly, discuss with a qualified professional or two.

Apparently not in my jurisdiction (but they went easy on one item that had a manufacturing date pre need for permit by removing some of the requirements but did I still needed the permit and associated fees)  Next is AB1482 (rent control).

A pre-qualification form.

Does anyone know where to find list of pre-foreclosures and foreclosures in the area of Georgetown and Austin, Texas? 

It's so simple, anyone can pull it off, and many of my clients are first time investors employing the exact same strategy.I think you already have it pretty much figured out, but I might suggest incorporating some kind of creative housing in the mix to increase revenue, like STR/MTR or renting by the bedroom.

Before signing a contract with the tenant request a Proof of Funds if they are paying cash or a pre-approval if they are going to get financing.

In summary: if a landlord has a provision in its rental agreement, which includes any rental documents as they are incorporated into the rental agreement, that violate any of the “10 Deadly Sins,” the landlord must return all rent that it received from the tenant during the tenant’s entire tenancy.