For example of above, there was a person I know, they bought a house for a rental, the square footage was enough to make a 3rd bed out of a dining room, that would increase the month rent by $400.00 a month if they did that..

Also, would this loan help build my personal credit, or would it only report to business credit bureaus under my LLC?

Fewer still actually show-up to deliver the value in-person. 

I have from time to time spoken with the city administrator, economic developer, & a person at building planning commission.

I contacted the bank and they told me the person needs to go through the regular qualifying process such as income, credit core, employment history, etc.

For me personally, I am hesitant to sell unless it really makes sense.

H there, I'm a certified international property specialist and while i don't personally specialize n Costa Rica,  have several colleagues who do.  

Quote from @Ashish Acharya: @Niklas Zhu If you tear down your STR in 2025 and convert it to personal use, depreciation recapture does not occur at the time of conversion.

You might get transferred a couple times until you reach the right person.

Office space is gutsy at this time with many companies working remotely, maybe part of your investment was to bet that people will be coming back to work in person.