Call some local HVAC/Mechanical companies and ask what the average cost would be for this upgrade! 

Since you're in Destin, you might want to check with local firms that have experience with STR-heavy communities, as they’ll be familiar with the risks and requirements.

Start local.

Of course there could be some other local businesses that might would want to use or share a couple of the offices that would possibly increase revenue. 

As always, make sure to run the numbers carefully and factor in local property taxes and HOA fees, which can vary widely in North Texas.Delayed gratification is key in real estate investing, but with patience, the rewards can be life-changing.Best of luck with your search

Reach out me as I am a local Realtor and can assist you!

Yes, Mustafa Lakadawala from Clarke Realty (local to St.

Find your local REIA and start attending and find the Realtors there to build friendships with. 

But perhaps you would be better served helping a local experienced investor find deals and ask them to show you exactly how they analyze deals, what's good vs bad, how do they finance (debt vs equity) etc etc and understand their business model that has a proven track record by providing value to them.

Joined a local investment group and got tons of support How did you find this deal and how did you negotiate it?