Run tons of houses and learn how much basic things cost like on average $3/sq ft for flooring and painting indoors.

Also, not to sound bitter or wish the worst for people...if someone is going to go into foreclosure, what is the average length of time in their amortization schedule this happens in y'all's experience?

Alison, Typically, closing costs average between 3% to 6% of the purchase price.

The average home sales 200k to 400k.

For example, there is a 2x4-plex listed for $1.25M in Tempe with an average rent of $900. 1433 S KENNETH PL, Tempe, AZ 85281

If you don't want to spend the additional cost to install brand new systems you can simply average out usage over the past 1-2 years and add a monthly utility charge to your lease renewal or amendment. 

The S&P 500 has averaged a 1.5% dividened, when comparing that to real estate cash on cash returns, Real Estate looks very attractive.

All 3 numbers in reference to a benchmark (their average), so you can see if your property performs below or above the benchmark.

Local banks will know the area and will be more helpful to the average person. 

Average door price is 42k Average rent is about 750/mo-is that the market rent for the area?