Two key ones are expected appreciation and expected rent growth.  

When choosing a location for your first rental, it’s great that you’re considering factors like crime rate, population growth, employment rate, and price-to-rent ratio—those are all key metrics.

Finding the right balance between appreciation and cash flow is key, especially when your goal is to scale efficiently.

I used the radiator key to let the air out and 10 mins later the radiator was hot.

A key aspect that, annoyingly, the "cash-flow crowd" seems to skip past all but religiously. 

Another key benefit is diversification; an SDIRA allows you to include real estate in your portfolio, reducing risk by spreading your investments across different asset types, which isn’t possible with a standard IRA.Moreover, assets in an SDIRA often enjoy protection from creditors, adding a layer of security to your investments.

And considering I think a person who puts in plain black and white that integrity and character of the operator are key -- and then does something underhanded and incompetent is just mind-boggling to consider -- so I'm only left with a negative feeling about the documents these darned attorneys dream up! 

If they appeal offer some cash for keys.

Timing is key—catch a hot market or a great 1031 exchange opportunity.

Not sure how their program works but I've seen this personally a dozen times with the key part the insured not being aware...