You can google those case studies for more info. 

there have been studies done that have proven teh 50% rule to be very accurate over the long term..i believe bryan hancock was the one who provided a link to one recently, but i'm not positive...depsite my young face, i have an old man's memory!

He's been studying this for 20 yrs and never called it wrong.CEO of John L Scott suggests shortening write-off time for investors to spur investment.

Studies have essentially shown that covering utilities in the rent doesn't return 1 for 1 in rental raises (i.e. $800 w/ utilities versus $700 without).

Where have a huge % of cash buyers...some studies claim up to 68%. 

I'm Nelson and I've been studying Real Estate Wholesale for a while and now I believe Iam finally ready jump in.  

Here is where you might begin in understanding the nature of posters on BP (or any site).Cognitive bias is applied in economic psychology to study reactions, selections or choices, fears, our naïve nature, how we justify things and more.I studied these aspects a bit in school, but there was a short sales book that identified personalities and the best way to handle them, I couldn't find the book and I've forgotten most of it, I just use a big hammer on most personalities, works for me.I did find this for anyone interested.

For example, I'm eying a 3 unit multifamily that costs $995,000 but the best rent it will bring in in is $6200 (I know this b/c I study the neighborhood & have 3 rental units a few blocks away).  

Between working 40 plus four a day commuting, taking classes, planning a wedding, and of course studying REI incessantly, I haven't had any free time in years. 

I'm not sure who pays for an environmental study, does that need to be done (or should it be done) prior to listing, or will the buyer do that during inspection?