Due Diligence: The legal definition: a measure of prudence, activity or assiduity, as is properly to be expected from, and ordinarily exercised by, a reasonable and prudent person under the particular circumstances.

Think about how that would effect the value of your asset and the return you are receiving if inflation were to take a sudden spike.Most of the analysis is common sense, real estate fundamentals, but I have seen ordinarily smart investors relax those principals locking in to what they think is a stable return only to find out the "no way that scenario could happen" actually happen.

There are quite a bit of subsections of neighborhoods that someone may not ordinarily be aware of.  

Were you close enough that he should have thought you one of the most important people in his  life and, naturally, would have ordinarily put you in his will?

Ordinarily I believe in most long held beliefs in common sense investing but there are always exceptions and times do change.

@Joel Owens I would ordinarily agree with the majority of your assessment from what I've seen in past cycles.

And respectively, why would any lender decide to lend money, but only when the borrower puts themselves in a worse financial position than they would otherwise be in by neglecting write-offs they would ordinarily take? 

For instance, if the owner pays personal bills from the business checking account or ignores the legal formalities that a corporation or LLC must follow (for example, by making important corporate or LLC decisions without recording them in minutes of a meeting), a court could decide that the owner isn't entitled to the limited liability that the corporate business structure would ordinarily provide.The company's actions were wrongful or fraudulent.

., Ordinarily I would say that you were probably OK to 1031 now. 

Failure to disclose a latent defect (something that you might not ordinarily notice, but the seller likely knows exists) could put you in a position to go back and tap the seller on the shoulder.