Here is a breakdown in my market D-18+%(biggest headaches typically) , C 11-17% B 7-10%. 

Don't always focus on the highest yield or the biggest discount.

Detroit Michigan is without a doubt the number one city in the country for positive cash flow, best rent to value ratio and biggest bang for your investor buck!

Out of curiosity, what has been your biggest rehab cost to date?

When I first started out my biggest issues with my agents were that they just simply wanted to make the deal and close.

If your biggest issue is financing, because of your DTI, why not move up to larger multifamily?

The amenities may be basic but the service should be class-A.have a worldview that is empathetic to poor people- ie they don't believe that poor people are poor because they make bad life choices; actually RESPECT THEIR (D-neighborhood) TENANTSdoesn't have the unrealistic expectation that low credit score tenants will respond to incentives designed for tenants with a credit score to protect and sets payment policies to promote desired tenant payment behaviors for low credit score tenantsprefers to achieve goals by eliciting cooperation instead of the exercise of power;communicates clearly and directly (even on 'awkward' topics like money and complaints about 'peculiarities')likes to solve problemsHaving said all that, I would still recommend B neighborhoods if you can afford it because of appreciation (and as @Erik Whiting said, exit strategy) .

I'm looking at using a scratch-off style of postcard with an incentive to get the homeowner to bite at the call to action.

@Tiffany B Alexander, you're biggest challenge is going to be affordability.

Vacancy is your biggest expense as a property owner so knowing how they keep and get residents is the most important thing.