(Think Luxury) B Class = Good amenities, approx. 20 years old or less, good area.

In general, when you’re working with the layout of a house, you want to maximize the functionality of the rooms while giving off the appearance of space and luxury.

Just get it under contract as quickly as possible... an multi- page realtor supplied purchase contract often does not afford you the luxury of time.  

Then, a ceramic tile I have picked out to go over it.I have a fair understanding of the materials/labour costs, I'm left wondering what dollar value is added to the home for this luxury heating (If any)?

You don't have the luxury of looking at a STR report to comp nearby properties because of the lack of supply.  

Michael Healy It depends what you are planning to do with it, In NY the brownstones are a luxury it all depends what your plan is.

In other very long thread of more than 2K post I already mentioned if you have 10 houses with 9 house has average price of 500k , but one house dropped 2mil from 5 mil to 3 mil, it makes the whole trends to be collapsing, although actually only few luxury market that experienced 'crash' level. 

They are essentially luxury travel trailers. 

I would think most readers care about Collin/Tarrant County or North Dallas than tiny luxury apartments.

Not luxuries.