Section 8 provides consistent pay and the tenants have to uphold the standard put forth by SECTION 8 to maintain their voucher. 

If the tenant is claiming to be living in a hotel, she may try to get you to reimburse for that cost unless section 8 has a new process to reimburse them for this... which sounds absurd but I'll let you deduce whether or not you're dealing with someone who is used to paying for things out of their own pocket. 

Suggesting to them buying their house for a wholesale range offer or lower dependent on the extent of the rehab, then having a contract in place that gives them a percentage of the profit to help get them back on their feet, paying off debts etc.

My goal is to offer an affordable monthly payment that competes with renting a comparable property and offers a benefit to paying a bit more to "own". 

On the other hand, I’m hesitant to simply pay down more of a property, as we don’t need the immediate cash flow.Fortunately, both my wife’s job and mine are recession-proof, which allows us to be a bit more aggressive with our investments.I’d really appreciate advice from investors who have experience with frequent moves or military service.

Meanwhile, bank money market paying 7.5%. 

They just pay the invoices.

To be clear, you are not paying off the 80K mortgage.

@Chinku Chinku how is paying the loan balance down going to help you reach your goals?

And you don’t have to pay it back when you sell, you do an exchange.