If not, you would likely need to account for that in your expenses. 2) I would make sure to factor in lawn care / snow removal (if applicable)3) Lastly, I would make sure to add insurance into your expenses.Otherwise, your numbers look good (although I cannot attest to your rent estimate as I do not know the area). 

What are your "minimum" factors to consider a property?

Any factor for anyone getting into real estate to really consider.

What are some of the factors to consider based off the circumstances and what questions should I be asking the listing agent ?

While it’s a great career and I make a nice living, it’s a young man’s game and I know this ride won’t last forever. 

As long as you factor the interest rate you are eligible for when you are calculating your potential profits you should be okay.

Here is a great white paper on the topic published by Old Capital:https://www.wealthgrowinvestments.com/wp-content/uploads/2017/06/Multifamily-Financing-101-FINAL-2017.pdfAnother factor is getting a sense of the market for the debt of your project.

I realize a lot of factors are at play when arriving at this number, aiming for average cost per sf in NNJ in a nice neighborhood.

Since then, there have been many other factors contributing to a deteriorating relationship between myself and my landlords.

-Are rents justifying the increase or is there a variable factor playing a significant role that I have yet to distinguish?