The addresses that you are interested in, the price you pay and the demographic of tenant you will be dealing with can make you or break you in this business.  

Market Research (MSA/City) (pop/job forecasts, price-to-rent ratios, city masterplan, path of growth, vacancy rates, average cost of housing, crime rates, demographics, etc...)Next...

I look for certain demographics,population levels, traffic counts, median incomes for an area when evaluating an asset and how much competition that product type has in the immediate area.

Type of demographic due to locationI've had a stage crew company, parents visiting kids going to UCLA, a group of engineers for a tech company, an investor on business who brought his family along.

Don't mistake market corrections and seasonal/cyclical/demographic/geographic market shifts for national economic indicators.  

The demographics look pretty good other than the median income.  

I mentioned the Bakersfield area which has better initial price to rent today...many demographers expect that population to double for many reasons.

Milwaukee is a great market, but if you are unfamiliar with the demographics and neighborhoods, it can eat your profits, much like the rest of the areas that you mentioned.

Almost 50% of school children getting free and reduced lunch.What Demographics would you consider B versus C?

If I can find a way to make it financially viable I would like to be able to provide decent, affordable housing for a demographic that is increasing daily--low income seniors.