If the property you are looking to purchase cash flows, then it should be reducing your DTI on paper, not adding to it. 

Charlie Munger, one of the great modern minds in investing, condemns physics envy: the tendency of economists and investors to reduce the the intricacies and complexities of the world to simple formulas and models to resemble the order and predictability of the natural world.

High crime areas.

Not impossible, but I wouldn't be surprised to see it drag on for months with a backlog and probably reduced capacity once they're started back up....

If not, you have essentially no recourse and must wait for "the system" to do it's thing.I recall in 2008-09 when Section 8 did a cram down and reduced contracted rents by 10% in some cities. 

If you are not concerned with making a profit and looking to cover costs or reduce the expense of owning the property then management is the way to go.

Getting primary financing that allows for secondary seller financing can help you reduce the amount that you have to put down. 

Most of the crime in these areas are drug-related, and if you're not perceived as a threat and you treat the dealers with basic decency you're likely safe from violence.

Meaning if a house is selling at 300k but the house is only with 250k, the deal would be reduced to reflect market value?

@Mikhail Loshkarev we recommend you have a polite conversation with your PM about a temporary reduced fee for reduced services.