Not all of those houses are wrecked, but many are fixer uppers that can be had at good prices and they're reserved for owner occupants for the first few weeks or so that they're listed.  

It's a thin sheet of plastic glued over a train wreck and hiding more issues than most can imagine.

While they didn’t wreck the place, and paid their rent on time, they had no respect for the ‘quiet enjoyment’ clause of the lease, and immediately began attracting complaints from the neighbors.

Premises now dangerous as vacant and open, uncompleted and abandoned, or vacant and boarded. (13-12-130, 13-12-125) Maintain watchman at vacant or open premises. (13-12-140)CN193019Repair or wreck dangerous and vacant residential premises. (13-8-100, 13-12-125, 13-12-130)CN193029Maintain watchman from 4:00 PM to 8:00 AM for vacant and dangerous residential premises. (13-12-140)CN193110Register vacant building within 30 days of it becoming vacant, or within 30 days after assuming ownership of an existing vacant building. (13-12-125(a)).

But a 7/10 in a bad area will get you low paying tenants who wreck your unit.

For instance, what's the probability in any particular year of a tenant wrecking your place.

If you spend all of your nest egg on property, and you suddenly have 3 out of five vacancies, and 2 of those 3 trashed the houses/units, you're wrecked and broke.

If the PM screened the tenants and they wrecked the place, the problem is the tenants.

I have a co-worker in my day job that makes that drive, and she complains about it all the time and is late for meetings on a regular basis due to wrecks.  

As Account Closed said, it doesn't really make sense when the place is a wreck and you know you are going to have to gut it.