The buying decision is theirs - they have to live there and pay the mortgage.

@Joshua Beall is exactly rightFind out what the ARV is, find out repair costs, analyze profit, make a decision.

Hey guys, I am new to this website and to REI in general but I have always had a desire to get involved and I have made the decision to get started and take  massive action.

_r=0The Supreme Court’s Disastrous Misreading of the Fair Housing ActA decision endorsing ‘disparate impact’ analysis will turn a law meant to prohibit discrimination into a vehicle for race-conscious housing decisions: http://www.wsj.com/articles/the-supreme-courts-disastrous-misreading-of-the-fair-housing-act-1435707270More Millennials Are Living in Single-Family HomesFannie Mae report and commentary find that millennials favor living in single-family homes, whether they buy or rent: http://www.inman.com/2015/07/01/more-millennials-are-living-in-single-family-homes/Moody’s Analytics: Single-Family Rental Growth Will AccelerateSingle-family home rentals since the housing bubble burst nearly a decade ago have seen massive growth, according to a new look from Mark Zandi, Moody’s Analytics’ chief economist.

My assumption would be that the decision becomes simply a numbers equation.

You made some great decisions through the years and now you in a position to get even better returns by using your portfolio properly.  

I know I skipped some of the math such as vacancies, turnover maint, appreciation etc but I wasn't sold on these being the major decision factor (please DO correct me if I'm wrong here)What am I missing? 

I think it makes sense i get some percentage higher than 50, or a flat fee, but i want to be equitable in coming to the decision.

It's a personal decision.

You should trust yourself and not compromise your core beliefs in pursuit of success, whether it be a conscious decision or just a naïve one.