@John CarrYour lease should have parts for both a fee instead of a security deposit and a regular security deposit.

One time close construction loans are prepackaged programs, but regular construction loans  provide more flexibility regarding loan structure and terms .

Searching on the internet mainly results in regular landlord insurance.

If you are in the Kansas City Metro area in specific, note that Overland Park is considering banning STR or creating a licensing program - I guess they have nothing right now.Kansas City Missouri's auditor told them to petition the state to change law so they can tax and fee as hotels and to make their licensing program more streamlined and easier to enforce as only 7% of STR are permitted.We have several articles on our REIA's blog.And no matter where you are, these are probably the same issues you may be facing as cities far and wide are working to limit STR as there is a shortage of regular rentals.

Do these co-sponsors sit on regular calls with the lead GPs?  

Good info here and they regularly update readers on any proposed, current, and completed projects in NYC.I haven't yet subscribed to their Yimby+ membership but this may have more information.

I could pay a regular marketing firm to build a site, but since so many STR owners have this need, I have to imagine there's an off the shelf option rather than having a custom site built.

Does anyone know if DealMachine stops sending regularly scheduled mailers to a property if you do not renew the subscription?

I would be weary of that. the rate and terms seem more favorable for a regular transaction. take the cash now or keep the property. 

RV parks are evaluated more like a regular business than most other real estate sectors.