From an underwriting perspective, I wouldnt do this without a PG and a solid workup on the members/operators to understand who they are and their background.

On your bill, you'll see on pg. 2 if it's estimated or actual.

We deliver turnkey multifamily—cash-flowing, fully managed—and your big-unit scaling chops could slot right in.

Pg 79/154 from IRS Audit Guide:"Passive losses are generally deductible only to the extent of passive income.

Offer a personal guarantee (reduces investor risk if you have the balance sheet for a PG to be worth anything).  

Because the property is so unique pricing likely needs to be as well, maybe consider that based on the property needs/maintenance and location you may not want it consistently turned over so maybe you open 28 day slots and allow use with a 1 time per month turn over.

Hey everyone,My business partner and I are looking into purchasing an RV/Glamping/Cabin campground in Central Texas, and we’re exploring the idea of placing a few RVs in some of the RV slots to rent out.

I would suggest the client to find another partner with experience or have the builder/GC PG for favorable terms. 

I get great rates, depending on LTV I get no PG on it, portfolio loans with outs for individual property sales, etc.

But seems like being a sponsor could be a good gig.. although you do have your reputation at stake if not your PG on these deals..