A Group Home may be seen as an undesirable business/addition to the neighborhood to some of the local residents...

Regarding Dr Philips, are there undesirable areas?

Basically want to know the areas to absolutely avoid that are high crime and known for undesirable tenants.

Is it just as easy to terminate a MTM lease with an undesirable tenant as it is with a 1yr lease? 

(It sounds like the rest of the items, while undesirable, are not sue-worthy, so to speak).So ask yourself this -- you have a landlord who is basically not doing what he's supposed to from your vantage point, and you want to sue.

My only advice to tag onto that is find properties in peripheral neighborhoods and buy at least 4 homes on the street.

Something like: "We do not rent to lawyers, law students, drug dealers, <other undesirable but unprotected groups>" How do you phrase your rejection letter to a lawyer and what if that lawyer is also a member of a protected class?

Yes, good lots are hard to find now, there are some around 150k, but are undesirable sloppy lot.

If you think the neighborhood is rough and generally undesirable, that is likely the kind of tenant you are going to be able to attract. 

Even though they can cash flow, the market demographic can be very undesirable and unstable.