Avoid high tension power lines, main busy streets, flying lead, homeless people, pawn shop neighborhoods, train tracks, garbage dumps, factories, airport flight paths, sink holes, mud slides, beef rendering plants, streets with broken windows and broken street lights, drug dealers and girls that work the streets.Why do you ask?  

Thats what garbage cans in bathrooms are for.

In that same book, it mentioned not to include a garbage disposal due to the same reason.

but you will have some that actually do well. 100% of them won't fail.. the issue here is as it turns out Morris is a marketer.. just like many of the other marketers on BP site.. he is going through a learning curve about ground partners .. unfortunately his teams in INdy are not ready for prime time it appears.. looking at the U Tube videos there is no  way this duplex was rehabbed.. windows are rotted out.. evidence of rot in the roof overhangs.. foundation looks pretty messed up.. garbage everywhere..I bet this property was bought little or nothing was done and this guy bought into the HEY you got to grab this now because we sell 50 a week and if you don't buy it it will be gone... used car tactics.. there is no shortage of this inventory.. and the marketing that makes it sound like these are A class rentals for D class prices is just amazing anyone believes that .. but they are targeting first time buyers who frankly just don't know what they don't know and are running on his TV star power...

Now if you go in and you find nothing but garbage take pictures, document the date, and call your work crew, or make a note to yourself, to start cleaning the house. 

@Ned Carey giving up a fake email is the least of my concerns.... downloading some garbage in my computer is what I concerns me.  

Cultural differences involving, for example, garbage disposals caused some problems.On top of that, watch out for drama amongst roommates.  

. , 90% Occ rate, -10% for repairs = approx $11,160 in annual expenses2 tenants $650 +750= $1400 mo /  $16800 annual income for a difference of +$5640Water, sewer, garbage all included in taxes.Renters pay utilities.As I understand the "cap rate" NAI/PP(-mort) = 0.11Considering overall property conditions, inspections etc. the numbers seem to work , right?

Any title company that doesn't address this for you is garbage. 

Liens from code violations, high grass, demolition, etc. or in some places municipality liens like for water, garbage, snow removal etc.