From my understanding, no one is employed, they are somehow current with the rent, but they are definitely not someone I would offer a new lease...not even at market rate.  

I guess they think these investors are accredited so a fee structure is a good model.

Owner-occupied commercial properties generally get better interest rates and terms when compared to pure investment properties. 

If the answer is yes, then it's a no brainer to make minimum payments on your 2.8% interest rate mortgage, and use the funds that you would have paid extra to pay it down faster, to either invest in more real estate, the market, or anywhere else where you can get a ROI > 2.8%.If the answer is no, then feel free to aggressively pay it down as fast as possible, to become debt-free faster, and just have a large amount of money in savings or to splurge with.The bottom line is that your 2.8% mortgage is GOOD debt.

Avoiding accessive PM fees (personally I recommend most people self-manage)These will eat away at your ROI.

Coupled with persistently high interest rates that may last for years, rising insurance premiums are inevitable, regardless of your property’s condition.

I have done it with some contractors taking Paypal where you can use a credit card on that site with a fee, or QuickBooks is another one too.

The right rate rents it—no need to overthink gimmicks or incentives.Virtual staging is the way to go.

I thought I bring this issue about Peter Harris back up .I was also told about the $10k start up fee .

It's an estimated cash on cash return given current rental rates subtract expenses assuming 7% interest rate, 10% management fee, 5% repairs, 5% capex and other expenses like mortgage, insurance, tax. it's a estimate to tell you what properties to analyze vs ignoreyou can see the are pockets of negative returns as well as pockets of positive return. this is to supplement the data @Devin Conley provided