(120k total)2nd house we are making a profit of 120k but this  "profit" would literally pay us back for our initial investments into our LLC together we used on the first house ...anyone have any idea how the gov.

I am guessing the beach houses were usually purchased and rented with a goal of “free” family vacations being paid for (along with mortgages) by rental income.  

Feel free to reach out if there’s ever anything I can do for you.

This TDR is a new program that has been in development for 30 years and should ignite into an active free market for credits this coming July 15.

If you’re serious about Detroit, feel free to reach out.

(I have tried AirDNA's free version and have gotten a rough estimate on revenue) Or any other ways to get a solid idea of the potential of the property to show to our potential investors?

Start with BiggerPockets Ultimate Beginners Guide (free).

So feel free to reach out if there is something I can help you with related to your STR business.Alongside my work in revenue management, I have real estate investments in Canada, focusing primarily on long-term rentals.

Totally agree with your approach!

And then you’ll be facing the absolute best time to sell, tax free.