As others have stated, your fit & finish goals should be guided by whether you plan to:1) Rent: tenants don't always take care of a property, so you want to use lower-grade materials and workmanship.2) Flip: higher quality on workmanship and materials is usually required.Regardless, you always want to "Maintain to the Neighborhood".

If you offer high quality affordable housing, you'll always find and magically attract good tenants. 

Also North Providence is a great area, so you should have no problem finding quality tenants.

Dwelling (Building coverage)The limit should be based on the Replacement Cost of the building (cost to rebuild withthe same kind and quality excluding the foundation)2.

I think it’s hard to have enough cash flow to hire a full time, quality manager who actually allows you to be completely hands off when you only own one laundromat.

Are their listings detailed with good-quality photos?

However, by placing money in a property that I would like to have in order to increase my quality of life, that can also produce some cash flow instead of being a liability that requires money every month, I can increase my quality of life without increasing my monthly liabilities.  

•Tenants demand prompt, high-quality service and without caring about cost •Vendors seek to earn as much compensation for their work as possible.Balancing these needs requires thoughtful stewardship, strong communication, and a commitment to fairness.

And for an OOS, I always advise to keep things simple at start, don't get greedy, go for quality and consistency, then work on maximizing monetization later. 

You might find that installing a mini-split system, properly insulating, and ensuring the finishes match the main home’s quality will make a difference in how the appraiser views it.