By staying informed and taking proactive measures, landlords can protect their investments and create a safe living environment for their tenants.Employment Verification:Ensuring the applicant's employment status and income are accurately verified is essential in assessing their capacity to consistently meet rent obligations.

-My turnaround time was about a week from measurement day.

Do you know exactly what is being replaced/repaired and measurements on it (linear feet, square feet, etc...)?

Even if the structure is implemented/structured properly, if you don't follow the rules in maintaining the structure you risk having the IRS collapse the structure and taxing your retirement funds as if they were distributed to you (with penalties added for good measure.).  

Find correlative statistics that can help you measure your interest or find a good niche in the market (population/population growth between certain age ranges or income demographics, etc.) rather than relying on market anecdotes.

These are what you measure against in your initial screening and are" proprietary"- not to be shared!

—only that the type of investment and risk should be very carefully measured (and especially if you lack significant cash reserves to weather a storm).

There is rarely any warning of an event, and no way for any typical tenant to implement any significant measures to minimize damage from an impending disaster.

If I am investing in the stock market the normal measuring standard is 7% return...ok, some say 8%...but at 7% then every 10 years my money doubles.  

That is because you can measure the results in terms of deals or activity that leads to deals.Hence budget for staying the course for some time and seeing what works.