If you compare the returns of mulit family in bucks to the city, bucks county still performs better because of high rent demand. 

We know there are multiple venues to get the leads, some very costly others not, some demanding tremendous effort (like going door by door, driving for dollars , or making thousands of cold calls etc.) , others not so much (mass mailings, for instance).

The issue you run into with Section 8 is that those people live like savage animals.

If nobody redeems in that lawsuit, someone can still demand a public auction.

For rents to rise quickly, housing demand must continue to increase.

The areas of the country that are the most anti-landlord are also where you make the most money, because they have the highest demand.

They're just amenities that might increase the demand for your units. 

Additionally, you might consider properties in popular rental areas where larger homes are in demand.3.

I doubt the winner of the election will have 1/10th the effect of lower interest rates and whether supply continues to increase or demand decreases.

You can also ensure you have market rates. there is such a strong demand for housing in Detroit, units are renting at top dollar in less than 5 weeks.