If a buyer knows the FHA health and safety guidelines to the tee they could in essence team a maintenance crew and loan officer (as an advisor) up to do the "minimum," amount of work during the escrow period prior to the FHA appraisal (assuming min repairs) being conducted and potentially close with a standard (non 203k) FHA loan.

They kept riding it out forever, took $2500 in conducting BPO's, and even when the figures came out higher than what they were requesting in the commitment letter, they rejected the deal. 

In Bridgeport, CT and Texas the investment is about 10% of rents collected which frees you from taking resident phone calls, coordinating maintenance, leasing vacancies, accounting P&L's, conducting inspections and making property payments."

In my state, WA, threatening conduct by a tenant can result in modest, but real costs to the landlord (sudden loss of the good tenant).

The question is should I use the paper application first or conduct the Cozy screening first?

Auction.com conducts foreclosure sales all over the place.

Box...You need to, or should, file a domestic LLC so that you can conduct business in that state.

If you are allowed to charge any application fee, charge it separate from other expenses like reports or verification expenses, charging for such can put you in the shoes of conducting that business and some matters have compliance issues. :)

I have a single member LLC that I established to conduct all rental business under.

There are accepted ways to conduct business, you need to follow the conventional path as closely as you can to reduce changes of your entity being disregarded with sham transactions.