But again, there is a charm to older properties, because if they do have the proper envelope a great structure, and the ability for a functional layout, they can have a lot of potential. likely a full gut...

BiggerPockets is full of resources designed to help you along your journey, whether you are just getting started or a seasoned investor.

Are there any books or resources you can recommend to get me started with the basics?

Specifically:Share your experiences investing in Knoxville.Recommend resources or tools for market analysis.Help me find off-market properties, turnkey rentals, or connect with wholesalers.I’m eager to learn from this community and collaborate with like-minded individuals familiar with the Knoxville market.

Although the forum input can be helpful, you need to have proper legal precautions in place rather than opinion.

What resources do you use to do market analysis and what are the nuts and bolts of using those resources to actually narrow down a location?

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.

It needs a proper investment strategy to reach the goal you are looking for.    

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. 

The Rental Property Association of Wisconsin is a resource for connections with contacts that own rental portfolios, legal presentations and resources, and contractors.