Researching the mortgage history can be very time consuming.

Then you have the financial sector being fueled by a stock market that is the 3rd most expensive in history according to the CAPE 10 measure of value. 

Besides inspections, tenant history, existing leases, would you recommend other things I should check to make sure?

If they do go with one that has tenants, I would ask to see the rent history of the tenants and their initial application.

But if they don't meet your criteria for some other reason (i.e. credit, criminal history, prior eviction, etc), then there is no more obligation to accept them as your tenant than there would be with any other non-Section 8 applicant.Was there something more to this rule that you found that I missed?

You'll definitely need to document at least some income via W2s or tax returns, but you don't necessarily need to show two years income history if you were in college during the last two years.

This assumes it is a typical “C” office building commonly sold on contract.If you have an A or B type building that cash flows with other strong tenants and has good property management with a solid documented pay history and personal guarantee from the attorney/borrower who has an established practice and great credit, you would get a lot more.

Do your due diligence in checking both the condition of the property and the history of the tenants and expenses.

On the other hand, I have had tenants with great credit scores and job history turn out to be the worst tenants that I was constantly chasing for rent.

You can access history online or on your phone with it.