There might be local banks or traditional options available, so I'll let the traditional LOs chime in.

I don't go to "closings" in the traditional, 'big table' sit-around-and-wait-for-suits, sense.

Harrah’s Cherokee casino is just up the road and Great Smoky Mountain Railroad is a draw.

If you average permit filed price per square foot its about $135-$140 traditionally for the builders because they are adding basements.

The structuring of a series LLC is much different from a traditional LLC and I would suggest you hire someone. 

Not sure what else unless a traditional bank would consider it

Tax benefits can help make a better business deal, but a bad business deal is hardly ever going to break even just because of tax benefits.The other big consideration you should have, in order to actually benefit from real estate fueled losses or credits, it will require a substantial investment of time - either to get over the material participation thresholds for short term rentals, or to get over the real estate professional thresholds for mid term /  traditional rentals. 

Neither will a traditional bank. 

If you plan on doing 20% down, I would just recommend going with a traditional conventional loan...

It’s located near a big refinery and 30 mins away from casinos in lake Charles.