Only an analysis of their assumptions can reveal any insight into that.One investor can’t tell another if zero cash flow is good or bad because each investor’s needs differ.  

it's just a matter of time before their true self is revealed. 

Unfortunately mold tests do not say whether a space is inhabitable or not....they only reveal what types of mold and their spore count.

if the defects are minor, there is no harm in not revealing it.

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Didn't know their names and no way will my seller reveal any material information.Action points:1) I attempted to sign my own version of lease with same rates and maturity dates (but with my standard terms, conditions, and rules and regulations) --> one without issue and the other opposes.2) For the other, I have to (even very one-off) amend the contract to remove clauses that the tenant objects (immaterial items to me, so at least it's better than the "inherited" contract")Similar to your situation, I can't assume it's a problem tenant either.  

Praying you personally know the agent and they reveal the whole mess verbally, they won't do it in writing.If there are no permits to build the 3rd unit into housing also the city/county/DOB/and others now know or will know soon.

If you can, wthout revealing your exact secrets, can you give your thoughts on the types of PR searches that are leading to the better than average deals in this current seller's market?

,   I posted about an invitation only Mastermind I went to.I know I would pay to be a member of an online one.. and maybe that is an offshoot.. just like you have folks pay to be pro's .. there could be another paid section say 500.00 bucks for 1000.00 a year for a mastermind.. and then have a sub category like your talking about.you guys know who is who and you could put out the invitations and filter.. etc.. one thing I did not like about the one I spent 20k on was not knowing who all the members were only to have that revealed after I sent them my 20k.. then I am like shoot don't want to spend 5k for a week of travel for my wife and I and go to this 3 to 5 day event and be in the same room with some of these folks that I don't care to listen to or associate with.. and I get it.. the guy running it cant filter everyone but if I would have had the roster up front I would have saved myself and them the time.. 

Would it be appropriate to contact their real estate agent to see if they can reveal any info, or reveal how much the property has generated?