@Nikki Tanguay which of the many materials offered on this site have you read so far?

However, it may be feasible to cut along the grout lines and remove a section of the tile, perhaps a 3'x3' area right inside the entryway, and replace it with a different flooring material that matches the tile but offers enhanced slip resistance.

The architect can provide specifications for various interior and exterior finishes and materials.

The materials can always be cheap and there is not much to the house in terms of plumbing and electrical. 

The specs should delineate the quality and quantity of materials.

Anyone who doesn't follow directions - asks me to call them, doesn't provide specific answers - estimate, experience, any additional materials they need me to purchase, I weed them out.  

If there are material facts that could affect the desirability of a property, as a buyer I would want to know.

However; with all the regulations, permitting time and fees, materials costs due to high fuel prices, taxes, coupled with workman's comp insurance, etc. , the high insurance for homes, etc., it's no longer possible. 

I would admit I have not done much diligence, it was just a distant option on my STR list but became more material as I realized Hawaii may not work the way I want it too.

., rent it out for on average less than 7 days per a stay) and could definitely demonstrate material participation (e.g., designing/developing ADU, furnishing it etc.)