Due to the popularity and scarcity of these properties in Nashville, it would be difficult to find a property meeting the STR requirements given a proposed purchase price of ~$300-350k.Additionally, your situation is a bit unique as it sounds like you may be living away from your primary residence more often than not, and as such, I also recommend you confirm with a lender whether this situation would qualify for this type of (primary residence) loan.

NO house layout is designed for maximum revenue. 

Unless the designer has a good social/online footprint with designs I like, I would think twice before hiring them no matter what others say.  

We have been helping the general public for a couple of years with a variety of designs and floorplans for their Tiny Homes.

I absolutely love the design aspect of the projects.

This year’s most popular areas are known for being fast-growing cities with plenty of new development, with healthy job growth in Florida and Texas in particular.

Great points, ZharaBirmingham has relatively steady and diverse rental demand, and I’ve seen many investors I work with have success with C/B class buy-and-holds.Location is key—areas near UAB, major employers, and popular suburbs tend to have the strongest rental demand, while C/D class markets offer solid affordable housing and Section 8 opportunities.

However, there are other loans designed for fixer uppers referred to us hard money loans, bridge loans, or fix and flip loans but whatever you want to call them they're essentially short term, interest only loans with no prepayment penalties designed to finance a higher % of your purchase price and typically all of your renovations not to exceed a certain % of the ARV (typically 75% max). 

It is in a perfect location (off the square) in a very popular tourist town outside Austin, Texas. 

Your knowledge in construction, design, and different strategies will be a big help to the community.