The seller could simply retain the deposit.

I’m simply trying to determine the best route to make that happen for her.

The easiest way to avoid the licensing issues is to simply lend money, or buy paper on investment properties. 90% of the states do not require a license to originate, lend, or buy and sell paper if the subject property is Non Owner Occupied, ie: Business Purpose Real Estate, ie Investment Property. 

I just need to have a hole dug for septic (55 gal plastic drums) like I have at my Off-Grid place.

You can't simply buy an interest in an LLC that owns real estate. 

Get the lock that also has a hole for a physical key  and then have a good ole fashion lockbox with the key in it as a back up Example of yale with key Dont get one like this without a keyGOOD LUCK!

There was simply too much building going on out there. 

200 nights per year is $20k, so a 5 year payback (looked at simply of course).Then also, would it add to your family's personal enjoyment?

As a private lender myself the "pitch" is simply the deal and the borrower.

As I build up my SFR portfolio I am starting to ask myself: “Is the idea of SFR cashflow simply a spreadsheet myth?”