How much did the rehab cost and how long did it take to complete?

You can start to educate yourself on the individual components; how much does it cost to paint on a per sqft basis or what is an average kitchen remodel.  

Finding durable products at reasonable costs. 

Though I am unsure how I would amortize the up front remodeling costs for P&L, tax accounting.2) Interest only loans term loans -  Would allow current owner to have cash flow on the property, without eroding the asset value. 

The challenge with unsafe areas is (1) potentially higher cost of maintenance such as broken windows, etc. and (2) this is by no means meant to be discriminatory but anecdotally from people I've spoken to the challenging tenants tend to be at the lower price points.

So, we now find most areas where the cost of PM leaves but the general real estate passive investment ROI for the investor hiring property management.  

So if I do a good analysis of the property (including all the costs) and the property generates monthly CF with a DSCR above 1.1, I would be removing a big risk because the numbers add up.

If comps are scarce, you might also consider the replacement cost approach, looking at what it would take to rebuild and adjusting based on market conditions.

Can try to reposition to Class B, but neighborhood may impede these efforts.Vacancy Est: Historically 10%, but 15-20% should be used to also cover tenant nonpayment, eviction costs & damages.Tenant Pool: majority will have FICO scores of 560-620 (approaching 22% probability of default), many blemishes, but should have no evictions in last 2 years.

The easiest way to find and connect with wholesalers is either bigger pockets or by googling "sell my house fast in (town name)" although that may cost them a click for google ads.