Alternative deposit solutions only have a small adoption per building.

Sounds like a follower of a recent popular Guru spreading very bad ideas. 

Different platforms are popular in different areas. 

In areas that are very tourist-desirable, like coastal/beachfront resorts in FL tiny homes can provide an alternative to higher priced hotel rooms and attract a younger clientele that is not looking to book the large (sleeps-12-at-a-time) condos.

While this simplifies billing, it may not be the most transparent or equitable solution.I'd greatly appreciate any insights, experiences, or alternative solutions that members of the community have to offer.

Interesting alternative.

I currently live next door to one of the areas most popular restaurants and my vehicle is somewhat distinctive if you notice it simply because no one else in the area has one, not because it’s an expensive sports car or something.

It could feel like being stuck in a rat race.A better alternative is to explore books and podcasts from sources like Bigger Pockets.

You need framing details for any alternations to the floor plan.

The BRRRRR is not dead and value add investing will always make sense when one looks at alternatives.