However, I don't do it on mine because its very questionable to me whether the total cost to total benefit calculus really makes it worth while for individual SFR properties that are not cookie cutter duplicates of one another, equipped very differently, bought at different times, in different locations, etc.

I have purchased two homes that I bought as bank-owned and fixed up while living in them.

We bought it two years ago, and owe $130 on a 30 year mortgage at 4%.

We bought a duplex in La Mesa that was really 2 detached houses using the VA loan.

Ill Bite, I bought my first 3 Unit in the North East Pennsylvania Market last year in December and have had great success with it so far.  

Reuben GrossReuben Gross online at www.rgtect.net

I bought my 2 bedroom SF condo in SOMA for $439,500 now it is worth $760,000.

The stats online show household income of 38k, lower crime, and low vacancy but rents seem lower in this area.

We bought a property in TX while it got with a hurricane and agreed to received the proceeds of the claim.  

We bought the coin ops used, as most laundromats in our area are going to card systems.