Evicted undesirables in one side of the unit and re-rented.    

With respect to the law of building codes, permitting and contractors, I have to be frank--in Ohio, it is nothing more than a hidden tax, a protective tariff, and a way for the municipality to veto any development or renovation that its architectural review board subjectively considers "undesirable."

Some related reading for you, since you seem to not like research (an undesirable attribute in an agent, BTW):http://www.biggerpockets.com/forums/21/topics/170-how-to-find-a-good-realtor-http://www.biggerpockets.com/forums/21/topics/74296-what-defines-a-good-re-agenthttp://www.biggerpockets.com/forums/21/topics/69232-what-do-you-actually-look-for-when-selecting-an-agenthttp://www.biggerpockets.com/forums/311/topics/70483-how-to-find-a-good-re-agenthttp://www.biggerpockets.com/forums/21/topics/69807-value-of-using-an-real-estate-agent-in-the-deal

Many homes that are bought by investors would not qualify for traditional financing anyway, so they would either sit vacant which attracts vandals, druggies, and other undesirables, OR an investor rehabs and resells.

Those 20% are undesirable areas. 

.)- house hacking; there are not likely very many multi-family units in many towns and if there are they are probably expensive and in undesirable/dangerous parts of townI am not trying to discredit the usefulness of this site or of investing in real estate.

Zero regulation now might lead to oversupply with no barriers to entry and then could swiftly change to a super difficult regulatory environment whereby STR becomes undesirable.

In my observation, investors are not selling properties in Sioux Falls right now, unless they are undesirable.

I want them to know me as a person, not as an absentee owner that is going to bring undesirables to the neighborhood and not take care of the property.For the price of a Egg McMuffin and coffee you can get to know a board member and find out about everything that's going on in a condo complex.

@Darius HowellA few PointersOn the PropertyLook for Cash Flow (Year 1) with a Value-Add &/or Upside play Light to Moderate value add Class C & B Multifamily Apartment Communities (Demand is outpacing supply)Low Crime areasBelow market rent, mismanaged, in need of renovations, &/or the undesirable vacancy rateAreas or Markets Look for areas that are rapidly improvingMinimal MSA of 250KGrowing EconomyPath of ProgressDiverse JobsDesirable - people want to move thereAffordable Cost of LivingHope this was helpful.Don't hesitate to reach out-Dino