it is technically a real thing but very rare, and there is plenty of historical data out there that shows those who have less skin in the game are at a far greater risk of default by a factor of 5-7x.

Storm sewer, storm pond, sewer lines, water access, fire hydrants, public bathrooms, surface coverage, sidewalk or bike paths, setbacks, power lines and right of ways known and unknown, road access, etc.              5.  

They wouldn't have any skin in the game and could just walk away and leave you high and dry if things go wrong with the property.

Then you might build off of that outlet and use surface mounted conduit to add a couple more outlets in the room including one next to a window for use with an A/C.

Just like mineral rights can be separated from surface rights and sold as royalties, this model tokenizes the income generated from a property without transferring ownership of the property itself.

With this scenario we both have skin in the game: His work and my materials.

Sometimes they don’t like that because you don’t have skin in the game.As for advantages to the seller - are you going to pay them more for the property, that would be a perk that I offer in addition to making a little extra on interest for the duration of the loan.

The bathrooms made me so depressed... plastic shower units with sad apartment class vanities with some sort of beige solid surface tops. 

One of my favorite authors, Nicholas Nassim Taleb, sold me on the concept of Skin in the Game and holding all pundits accountable for prior predictions, myself included. 

A borrower really needs to have at least some "skin in the game" to make lenders feel comfortable.