They're a 1031 Qualified Intermediary service in SC and are based in Greenville.

We thought it was an ideal house to STR - and it would have been just based on the location, and perhaps the experience of staying in an old home.

But, it is definitely possible if you snag a property that you can't pass up on to utilize a Mortgage Broker who can generally get you set up with something based on your needs at the time.

where's the city this is based in? 

I know I will eventually be looking into Disney but I've always been curious about overall annual cashflow being that the market is based on nothing but the theme park market. 

The mechanics of the deal are not too complicated, although as others have noted you can't advertise the property and then exclude people based on protected class including gender and family status....at least not legally. 

My numbers are conservatively based on 3 STR's I already own in this market.

Debit- (other Expense) DepreciationCredit - (Fixed Asset) Building: Accumulated Depreciation (under the Fixed asset category in QBO)You could get the calculation from your accountant; it's based a just a few factors.

They can provide guidance based on the latest tax laws, regulations, and your individual circumstances.

I would recommend finding a more altruistic source of information before making decisions based on some information provided here and on the podcast in particular.