Fs are where 90% of violent crimes in a city happen.

For me violent crime i'd say no thank you.

You dont want to get there and then find out they dont make enough money, have previous evictions, violent felonies, etc.

UCR data is published annually by the FBI.UCR data is reported as either violent or property crime, which then break down further into eight possible sub-crime categories.

But we were meet with violent opposition from the super tall grass only to discover that all the glass from every window and door was on the ground.

It's dangerous work for low pay with violent people. 

EG. for me I do not rent to violent felons.  

Risk can be things like low quality tenants, crime (violent, drug, and property), environmental, political, economical, etc...With that in mind, there is not bare minimum ratio to search for.

Also, there were 716 violent crimes reported per 100,000 Gastonia residents in 2015, one of the highest violent crime rates of any U.S. city," according to the report.While Charlotte's economy has transformed into a major banking and financial center, Gastonia has relied on manufacturing, which has been in active decline over the years.I don't know that I would consider Gastonia for my first foray into another state to purchase real estate, but that's just MY opinion.

Thats 521 Post in the Northern District which two years ago was the most violent post in the entire city.