Running the risk of negative cash flow is a very real danger.

Once the hotels in the area start to feel the vrbo pinch if demand goes down you will be in danger for sure.  

The dangers of lead paint were well known long before it was made illegal at the federal level.

I don't think most tenants are just trying to scam you, but when 60-70 percent of your monthly income goes to rent any inevitable setback can put you behind on rent and in danger of eviction.

4 hour work week by Ferriss has lots of good stuff, but dangerous stuff alsoI am old school, and there are many many lessons the young people need to learn to be financially free, not only financially, emotionally and mentally alsoMost I presume are not schooled in Wall Street with derivatives and upper echelons of financeMost are not sophisticated enough to start corporations, investment firms, syndications etcIf you are average blue collar dude, with vision , passion, willing to work, you can make it and be financially free, beating the frigin systemBe careful what you read and listen to, and it's ******** to think you will work only 4 hours a week and be successfulMaybe eventually, but like rich dad says, when your assets begin paying for your desiresDanny Peavey

But my sense is that the numbers are tighter than they'd like them to be, the deals are fewer and far between, and the time and money needed to uncover those deals is rather high.

I believe fewer people can be better but more importantly, I would have an attorney draft up the agreement.

This is such a dangerous play please please do not recommend this to one of your students.  

Air-born asbestos is very dangerous/ toxic and its not safe to have people in the home while this work is being done. 

Even if you borrowed from your Aunt Edna, you will lose money (and why would you ask her to be in as dangerous a position as this).