I would look at private money lenders who can consider giving your a line of credit based on a multiple of the cash you have. 

I know people who do STR in their house, but it's as private as possible.

If the group is a private group, it is treated like a private email I believe.

Become a very small private investor in one of their projects.

No but if you paid for those items you could get copies of them and use them for a private lender who may be able to give you a loan.

We remodeled and remarketed the property to entrepreneurs and business professionals who want a coliving/coworking community.It was perfect because each of the 12 bedrooms had its own private bath and we created community areas.

Great job, Would love to see a breakdown of how you financed so many properties in a short tim - Conventional, Private, Seller Financing etc.

The house I am looking at is a private sale from an older family friend moving into senior living (discounted).

This WAS commented on (thankfully privately) when I stocked Aldi toilet paper.

If you're looking to transact faster than that, then your only option will be private Buyers.Another alternative, other than the ideas mentioned above, might be to sell part of the land into permanent conservation.