The MLS listing also indicated home was built in 1949, we further investigated during our 10-day, and found home was circa 1939.  

If you know what the norms are anything out of the ordinary jumps out as a potential opportunity that might be worth investigating.

So, I ended up at my office and holding my broker's license and my dad, stayed with the largest company in town.I'd suggest you really investigate this, and starting out with a brand new broker would be a money pit, IMO!

This could be an opportunity to tap into their network and experience but I know I should investigate thoroughly beforehand. 

Would this factor alone make this a dead deal or do you have a more detailed proforma/speadsheet that you would use after investigating any and all of the taxes, insurance and potential maintenance problems to get a final number?

On a much smaller scale this probably goes unnoticed, but once you are raising millions of dollars you open yourself to investigation. 

Starting to investigate options at this point and had just come across non-recourse mentioned on several SFR portfolio lender's advertisements, so thought typical in this product type.  

In general I am wondering what is the proper order of operations after initial investigation of a deal proves positive when going through wholesaler for SFH?

I guess you still have time to investigate the property within the first 3 days before ordering inspection,etc.

Just investigating things at the moment.