However, access to the new master suite is done through the office room which is perfectly fine for our lifestyle. 

When you walk in it, it feels like your in a normal bathroom anywhere else in the home, it's that level of finished.

folks need to keep in mind there are some that fall on bad times i get that.. however the vast majority this is a lifestyle choice dont kid yourselves. 

You might not be able to AirBnB there but you definitely be able to rent.  40% down is typically great in a normal market but with all this cash flowing, that still might not be enough in those traditional rental areas but would work in the non-traditional areas. 

I have the cash to finance normally but want to try and get a deal with my money out of it as much as possible.

This is not normal - and it sure isn't professional.  

Normally, no one builds a mansion in a blighted area.

I have been licensed since 1975  I have wholesaled I cant tell you how many properties well over 1000 that's for sure.But you have to define wholesalingMy definition is I buy them close on them  then usually do something to improve them sometimes not and then I resell them.If your definition of wholesaling is to simply make larger fee's than a normal brokerage commission ..

. $1800+ is the “new normal” for a 1900-2200sf sfh.

@Paul Sandhu There are normally 2 Realtors in a transaction-  listing agent works for the seller, a buyer's agent works for the buyer.