If you get to a closing and the borrowers refuse to sign or the mortgage doesn't close, you don't get paid even though you have paid for the gas, time, paper, toner, and other expenses.

You make a valid point about the active involvement required in being a landlord, even in high-quality neighborhoods.

Because in 3-4 years when all of the idiots who bought properties financed at 100-110% of value with no money of their own in the deal and cannot afford to put gas in their car finalize realize they have no way out and will lose it all they will then talk about oh me and its not my fault...

I then located the property with GPS and was able to demonstrate that the flood and fire risk was not valid.

Except for the valid reasons mentioned above.....

Liens that arise after the tax sale may be valid. 

We must not forget the impact of gas prices, post hurricane Katrina.

Additionally, her house is cluttered and the floors hadn’t been vacuumed or swept in months, so I  am suspicious about her claims of tripping safety and splinters.Questions:- Are her concerns valid complaints?

Both have valid points, but to get a better idea of the “real” way to do it, i like The Millionaire Next Door”....

I have many friends worked in convivences stores and gas stations by running the finances of the business I'm interested in purchasing a gas station.