You want to work with the specialist though to ensure everything is set up exactly right to be able to minimize taxes and avoid penalties.

I read of an investor who got sued by tenants and realized complying with this code will minimize problems. 

I agree with Richard and the price is minimal for the value received. 

Otherwise, the balance due will just continue to grow.Otherwise, consider a Cash-for-Keys surrender to get possession back with minimal losses (ie balance still outstanding).

You need to have cash, or a real relationship with a real 'private' (not hard) money lender who you've pitched the deal to before the auction, and who will be ready to write a check the day of the auction if you win the bid, as the entire amount is due that day. 

Who cares, at that age if the foundation is intact do not mess with it, it has had 200 years to settle the likely hood of it shifting more is minimal.

If the former, I wouldn't worry about it, but make sure that your offer either includes an inspection contingency or a general purpose option period during which you can back out for minimal cost should you find surprises.

I have been to a number of guru pitches (i.e., the one hour talks they give where they talk about their product), where the speaker says "buy my course, it has a script of what to say on the phone."

Seems like affiliates of Lange are beginning to pitch alternative financing already.

I look at the whole system and how we can take advantage of different aspects of what we're doing to minimize the vacancy rate for each particular property.