I’ve visited every other property I’ve considered in the past, so this is uncharted territory for me, and it feels a little out of my comfort zone.I’m considering putting it under contract sight unseen to lock it up, but I don’t want to make a rookie mistake here.I'm looking for some advice here.

Either one would hopefully "light a fire" under the tenant to get it done.

Licensed with permits ~$3,250.HWT standard gas single family low efficiency without exhaust retrofit $900.Sand and stain hardwood floors, natural stain $3 per sf.Paint interior walls, ceiling trim and doors 3 tone paint scheme 2 coats $3.20 per sf (floor area cost includes paint)Click lock LVT flooring install overlay inclusive of prep and quarter round $4.50 per sf (materials and labor)Asphalt roof installation 3/1 - 800 sf bungalow with 2 layers of shingles - ~$7,900Standard porch cap replacement with 2 new precast concrete steps ~$2,500Used stove or refrigerator delivery and install $350New stove or refrigerator delivery and install $HD model specificUse this as a general guideline. 

I'm looking in miami florida for sites where we could get the numbers to work and we are getting close maybe in homestead. with that you could continue to pull cash out after it was built. in our market we need about .1 acres and we get land under 60k that the investors buy. the build cost is about 75% of appraised value or a little less. the investor refinances out on a DSCR loan and continues on. this strategy is ground up and it takes advantage of the buyers market for land in our market.

Does Nashville tax STR under Hotel Occupancy Privilege Tax? 

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

The underlayment should be durock or other concrete board.

We don't have them recorded, just signed as another layer of protection. 

My markup is always lower than the original lender's because I don't spend money advertising during the Super Bowl, my president doesn't have a corporate jet, and we don't have layers of management we need to pay.

So it is fine for us to just list the property under my husbands name on the Schedule E even though we both own it, and I manage it?