As a side note I do manage a construction supply company so I have the resources available to complete a rehab if it's the best option.

Read the rent control regulation that went into effect.  

I know I will need to understand the specific regulations in my area as well, but I don't think this would be the deal-breaker. 

Saturation of rentals in the area and concerned that in a downturn this could be a problem competing for renters or increase supply depressing rental rates.

I am simply here to present factual information to those who don't know the rules and regulations of the real estate industry.

I was using call tools for cold calling and most of the numbers supplied were business or no good.

With Providence recently passing the law requiring AirBnBs to either be owner occupied or outside residential zoning districts, I wanted to explore the option since the supply of STRs should be shrinking to see if it would be worth the added turnover and management.

If the landlord is really paying here, then asking housing for the statutes, regulations and rules they are relying on makes a lot of sense. 

@Mark Updegraff is correct, B&L Wholesale Supply is the way to go.

When Orchard Supply Hardware went out of business they had their drawer/cabinet hardware 80-90% off or more.