Haysville is a lower-end suburb that has mediocre schools and slightly higher than average crime and narcotics rates in the city.

The program was created to give low-income tenants an alternative to living in federal project housing.S8 sets their rental rates to the LOW-END of market averages, if not slightly below.

Convince yourself that there's a better than average chance that you will lose, and if you can live with the time, energy and money spent if you do. 

Duplexes are cheaper to rent and expenses are becoming difficult for the average tenant.  

It's not fool-proof, but I think odds of earning 7.5% using a barbell strategy in the average year on your money is 97% likely with very very little effort. 

I  took over a mature company that had an investor base that I think average age had to be 65 to 70..

Real estate investing is forgiving; the average person can still make money even with some big mistakes.

Prosper averages a 3-4% default rate (I would suggest 5% to be conservative).I have been investing with Prosper since 2007 and their loans absolutely default.

The only logical way a company would know their average tenant stay, is by running a report.

I am not sure what tools you are using for your cash flow projections but it's possible to have a property that does not cash flow year 1 but will in year 2 or 3 and so on based on average historical appreciation in Austin TX.