I remember with my SFRs in the beginning, it seemed liked anytime I spoke to my PM there was an issue that required more money out of pocket.

I was aware of the egress requirement, but was not considering the door size or ceiling heights.

The problem many of us run into is being in New England, many of the markets are high cost, high appreciation markets that we either can't get pre qualified for, or even after moving out will struggle to cash flow.Another big constraint is that many of us have W-2 jobs in engineering that require some days in the office, and these types of higher paying jobs are primarily in major cities (most of us are in the Boston area).Lastly, a lot of us have significant others that may be less interested in living somewhere "random" because it makes sense as an investment.

One thing though is that there are requirements coming into effect soon where wholesalers will need to get their license in PA for any properties that they wholesale, so you might want to look into that before it becomes official!  

In rural Ohio ponds are required every so many feet when fire hydrants aren't available.Luckily in MN we have those by nature.

., longer-term, amortized, require escrow, commonly modified b/c of prepayments, etc.)? 

If you ask the manager to justify a fee and he starts hemming and hawing, move on or require them to remove the fee.

Do DSCR loans qualify if purchasing through 1031 w/debt-carry-forward requirements?

The small lot and setback requirements mean that it would have little to no value as a tear down.  

It requires registration, so there could be some fees or work involved in setting up.