Agree beyond ROI, location specific costs and risks are critical.  

You can also use a pre-qual form, but I recommend keeping it short and hitting only 3-5 of the most critical qualifiers (income, credit score, pets or no pets, etc.).I also recommend you try to reach out verbally when possible.

Know how to take constructive criticism.

Please do not hesitate to criticize my newbie plan (but preferably offer a solution if you do). 

In the insurance niche, it's critical that insurers find comparable properties for their clients.

I am wondering whether garage will be critical to resale.

It doesn't matter what city, state or country people have to rent for multiple reasons and that is why it's critical that we have investors and experts here on BiggerPockets.

Measuring is critical but if you use their template, it matches right up.

Having family support is critical for ppl re-entering society; just like having employment is.

Having a good PM to operate and market your STR is critical to profitability.