I can't reject anyone based solely on his/her familial status, so is it even legal to ask questions about kids' ages, genders, sleeping arrangements?

Your house will already be staged, your mortgage interest is still deductible as will your taxes if you go long form, and you get a great house to live in, if of course you do a good job on rehabbing.

You could arrange a purchase and then sign a long term lease with them.  

Using the term "manage" along with usual and customary can be dangerous language as one may be able to do anything related to management, like increasing payroll, advertising, banking arrangements or other matters that when viewed collectively exceed a cut off, meaning Joe can only write a check for $500.00, but how many checks, to who, why?

Also, does property management arrange section 8 or do I have to visit the PHA myself?

Borrower dies, family attorney steps in as the executor, the note was in default, the lender files a quit claim deed as a pre arranged deed in lieu.

College students or parents subsidizing a recent graduate would make a lot of sense for this arrangement.  

imagine, there is an ongoing foreclosure, you can review the file and figure out at which stage the foreclosure is ..but are you certain that e.g. 

If something begins to go south on an individual note, we can step in if need be.We have also implemented at the suggested of others 'Pipedrive' which helps us organize our individual assets to quickly see what stage they're in.

Esstopal is details of all tenant information regarding rent, duration, lease, deposits, date rent due and all "special" arrangements, financial or otherwise that may exist with the landlord.