Not sure if they have upgraded to desktop appraisals but if they are still doing in person appraisals , make sure you get everything (scope of work, good faith deposit, social, LLC docs, insurance, proof of prior experience, financial statements) in ASAP.

Regardless of legal nuances, I can tell you from extensive professional experience: Don will WIN an IRS audit for his Subject-to interest, as long as he can show that he made the payments.

I'm doing flips and new construction at the moment. 

I'm happy to share my experience with this market if you'd like to message me to set-up a call. 

You don't need to know everything to get started; you need a foundation to build on, and the rest will come through experience and then refining your education.You can build a basic understanding of investing in 3-6 months.

The current costs of construction are so high that you can just find more bang for your buck buying as opposed to building.

I want to learn and get as much experience as I can.

Secondly, tiny homes promote a minimalist lifestyle, encouraging reduced consumption and a greater appreciation for experiences over material possessions.

You'll want to ask about their experience, read reviews, understand their availability, pricing, insurance / bonding, and how they safeguard their funds. 

Upon closing my single family construction my home had about 25% in equity on day one(in 2018 in Tennessee).