Also, and this can be a bit of a pain to search, but if you search the recorder's office perhaps there is a mortgage or something where there is an individual co-obligor besides the entity. 

In hindsight, having lived through the collapse, I'd say we (the US) dodged a potentially lethal bullet. https://projects.propublica.org/bailout/listThe current Farm bailouts are just unfolding, with last year's $12 billion bailout and today's \announced $15 billion additional bailout that are reimbursing farmers who were harmed financially by the administration trade policies.

How much different do you think the administrative tasks are with a series LLC vs several distinct LLCs for Illinois properties?

Your buyer knows you don't have to pay an agent and FSBO's are a pain to work with - the only reason buyer's do that is to score a deal or if they absolutley can't find what they want.

Depending on your area, list source and the tax records can be a pain to comb through. 

I spoke with one of the owners and he advised that he spoke with the zoning administrator about making it a boarding house. 

This will help to minimize future pain.

- they can be, it really depends on your goals and some of your pain points.

I'd suggest taking your state's administrator course next. 

Though this Divorce is official, my focus is to make sure that my struggle and pain isn't transfered to them, but that my legacy is set in place for them.