You can have some issues but usually nothing huge.

Rent Control is a two sided issue.

While single-family starts are on the rise, permits are moving in the opposite direction.

Are people driving or walking, if they have to street park high crime is a bigger issue.

Landlord Tenant laws are challenging but if you invest in the better neighborhoods, you are less likely to run into the issues landlords customarily face in the low income areas of the city.

Hello,owner occupied duplex has lead issue in NH.

For older demographics, consider the availability of medical centers, entertainment, and restaurants.Buildings/Permits: Assess the city's growth compared to previous years.Determine if the city can accommodate future supply.Government Regulations: Examine the city's efforts and the type of businesses they are targeting.

A few deals i've looked at with investors were great on paper but had other undisclosed issues.

This issue is like that of a pool, some will seek you only becuase it's furnished and others will avoid you only becuase it's furnished - net even. 

What about fixing those issues up front?