Start looking for a contractor or handy person to get begin asap to limit downtime.There is a lot to unpack when setting up your first STR.

They don't reflect on personal credit. 

While this is a real estate forum, personally I do not see buying real estate right now a great investment.

There's a ton of information available on these forums if you're ever unsure about anything, take a look around, chances are another person has encountered the same issues and share their experiences on here.

However, he (you) should keep it "clean" and not also use it for personal reasons.

or do you have personal experience with any ? 

I do recommend a cap and you can also have thermostats with upper and lower limits so one person can't set it to 80,  put those limits in the lease. 

Talk with your tax person or a 1031 Intermediary.  1031 must be land to land. 

But there’s an Encumbrances that was posted by TD Bank, by my research was either personal loan or business loan default.

I am located in Jax Florida and use my realtor license for personal deals and occasionally help others.