You haven't provided enough information on that to allow specific advice.If you purchased the property in 2020 you should still be at a good interest rate (assuming a 5 year balloon ARM).

The area is a little far from town and is on a big lot in the country so it targets a specific renter.

**NAHB Contracts**: The National Association of Home Builders (NAHB) offers a variety of detailed and standardized legal templates specifically designed for the residential construction industry2.

Always open to conversations with like-minded folks, but nothing I have specifically sought out intentionally... yet!

Maybe it can help you in your specific situation, it depends.

I also watched Chad Carson's videos about being a small but might investor. 

Got property specific PoA.

With all this said, to answer your question of how you'd value this for a sale, I'd get a STR specific broker that's able to market your property as a turnkey STR with data on the rents, figures, etc.

Specifically here, I've considered a few of the things that you both brought up, but the word "average" has a very specific meaning...

I love the concept especially given the need in your market for storing things like snow machines, boats, rvs etc, but also for repair or general "fab shops".As long as you are seeing the demand in your specific market for these spaces, and perhaps its worth getting some leases signed up prior to breaking ground but thats a personal preference thing, I think the numbers look promising if the use case is there.