I usually search for property management companies on Google and then go to the sites of the ones with top reviews.

I think that is what you are referring to.From@Steven Lewis's description, his parents borrowed money thru a HELOC and gave it to him to use in his business.

(Square Feet, date of purchase, land description, etc.) 

But that was usually the case in most markets. 

They usually have a phone number and/or email address associated with the person.

Banks don't usually let the interest rate arbitrage work in favor of the customer.

Everything can possibly go wrong, but here is what usually goes wrong:   1. 

Commercial rates are usually 5-7 year ARM, amortized over 20-25 years somewhere in the 6%+ range.I have also seen a few commercial lenders that offer a 30 year fixed program but the rate was over 7%.

I usually estimate vacancy at 8% of rents.Hope this helps!

Those are usually lower-risk people.You also said he has "significant savings" so maybe he can pay a triple deposit (if your state allows) or the first few months in advance.