Get proof of any/all income stated.

I am sure there are good resources online for typical tenant interview questions but remember the most important thing is proof of income, employment verification, credit score, background check, and confirmation they are good tenants from previous LL or mgmt.

Protect yourself with a pet deposit and good photo documentation of the property before and after as proof of damage.

On the blockchain side however, what I mean is that whenever an investor invests into a property, their share will be recorded on the blockchain, this allows the ability to provide an indisputable and instantly verifiable proof of who owns the property and whether or not there are any open claims against that property.

The carpets were heavily stained and soiled with pet feces and pet urine that would come out of the non refundable pet fee not the sec dep even though lease states need to professional clean carpets amd provide proof in form of receipt upon moving out. 

Or have they given you proof the city has granted an extension (many do with reasonable causes)?

You make an offer based on assumptions, then you verify during the inspection phase.Could you imagine trying to sell a 200-unit complex and having to provide every potential buyer with copies of every lease, payment ledger, proof of income and expenses, etc? 

May also want to phase expansion, vs all at once, for proof of concept.

No cash proof of funds have been shared either.... ???

The reason is its very easy for a borrower to contest the legal balance as you will need to provide proof of all the invoices and advances.