Definitely recommend the seller financed buydown as if you refinance whatever the remaining balance from the buydown is can be used to pay down the principal balance of your loan. 

Wages will also go up, and we will see a better labor/capital balance as we negotiate end-stage capitalism.  

One note, one balance, one solitary headache to worry about.

If I bring on an agent who does not join, I get billed for it and all my agents memberships gets suspended if the balance is past due.  

Not every lot will allow you to STR even though sevier county and the city propers do have specific zoning that allows it so you don't have to worry about them ever rescinding that right. 

Have you ever had a year where your insurance or proper tax’s went down?

Sure, it’s easy to get nervous about over-leveraging... no one wants to feel like they’re juggling flaming torches while balancing on a high wire.

Be thankful you have a section 8 tenant who is coming to you first with this issue and trying to get it rectified through the proper channels.

Tools like Rentometer and BiggerPockets can help compare rental prices, and working with a CPA and attorney will ensure you structure your investments properly.

Here's an example of a home with balanced light, good angles, and a wide-angle lens that shows more of each room: https://www.zillow.com/homedetails/3057-N-Azure-Ave-Fayettev...It would help to take some free lessons on how to shoot real estate.