we see it done frequently and have done it but we will not go above 50-60% and require cross collateralization of 3-4x the amount being borrowerd.

Essentially, what a lot of these “gurus” do is appeal to an audience that doesn’t want to do the heavy, uncomfortable lifting.

I live over in Gadsden, frequently travel Birmingham, and dying to know what you see in Birmingham.

You touched on something else important Elliot which is that some of those 'losses' in heat affect/warm areas of a multi-unit in ways that could vary significantly from one building layout, climate, etc to another................................................................................................................................................................................This is a real estate investment forum so the main audience here are investors, not engineers.  

Do you find that your airbnb's are rented out frequently?

So I frequently use Air Canada for Star Alliance Travel.  

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Choosing markets with direct flight access simplifies logistics.After setup, frequent visits are unnecessary if you have a reliable team and good communication.

Checking property tax records is a good idea—frequent turnover might indicate investor issues, but it’s not a dealbreaker if everything else checks out.

I'd recommend looking in our market. it's not as frequent as Akron. find a good agent in the market using the agent tool and I'm sure you'll be doing fine!