He gave me the owner's number (Jeff) and I called him on the spot, hoping to be able to offer my services to help him find and sell more homes in the neighborhood.

Many other firms offer the same knowledge at a fraction of the cost because they don't have office overhead or tons of highly paid employees to float.

I understand they are planning to to offer recordkeeping and plan document maintenance services to Quest clients with no cost to transition. 

There are companies such as Cover that offers a full service ADU deliverable from design through construction completion.

While short-term rentals in areas like Kissimmee, Florida, can pay for themselves and offer lifestyle benefits, the ROI typically doesn’t match what I see from my traditional portfolio of long-term rentals in North Texas.That said, short-term rentals can still be a great choice, especially if you're drawn to the area and the opportunity to combine personal use with investment income.

would love to connect and see if i can offer any help

It doesn't take an experienced real estate investor to see through what he offers and teaches.  

The reason is because the companies that back these assets, and some others, have a 1:1 between their tokens and the USD (I'm unfamiliar if EURS, THKD, and stables of other fiat offer 1:1).A possible scenario would be that you offer the seller to pay in a stable coin, like mentioned above.

They can offer valuable insights into the local market, potential rental yields, and specific considerations for a rehab project like the one you're planning.

You can determine if the cost segregation study makes sense by speaking with your accountant and many cost segregation professionals offer a free analysis.