Surprised Pigeon Forge and Gatlinburg is not on this list.Places like Joshua Tree are popular but also very saturated. 

Here's an article with additional FAQs on cost segregation studies that you may find helpful. https://www.biggerpockets.com/forums/51/topics/1113749-cost-segregation-faq

., is that TIC's  appear more attractive than suggested in DST articles.

Another idea is talk to title companies to see who's the most popular real estate agent and buyer who comes into their office all the time.

As for the HELOC, the more I research the more it matches your comment regarding using it for home improvements / flips so I may sit on that for a little bit until I educate myself further on those topics.As for raising capital, I have read the private lenders are a popular way and hard money loans which I do not fully understand yet.

Any sense of FF loosing popularity?

We’re 10 minutes from a popular lake and my current str has surpassed my expectations.

Also, if you take the time to read the articles, would you keep the same or consider making a change.

FasterFunds Lending, a hard money lending who focuses on the Saint Louis Market has a unique take on hard money lending that I would think should be more popular.1.

Plus, with a great central location, it is one of the more popular STR buildings in Waikiki.