I mentioned deed restrictions, and right of first refusal.

However, you could look outside of city limits, and just within jurisdiction of the county, and avoid zoning restrictions altogether.

If propane are there any HOA/zoning regulations that prohibit or restrict those tanks, especially above ground. 

Portfolio lenders often have restrictions on the average value per property and also your experience.

Does this community have an HOA or rental restrictions?

The building as a whole needs work also so I'm just trying to figure out if there are any restrictions that'll prevent me from doing rehabs on those vacant units while the other ones are still occupied.

But it will never be as Playa del Carmen because of the building restrictions so it won't be a viable alternative to the Playa del Carmen-style people like me either.Many people have been discovering Tulum recently but it's nothing new.

In an urban/city you can expect STR restrictions, unreasonable regs (sometimes) and an overall dislike of STRs in general.

I'm not a fan of some of Cleveland's governmental restrictions (point of sale, etc.), but it can be a great market if properly navigated.

However, it is important to review state and local laws regarding landlord-tenant relationships, as restrictions may apply in certain jurisdictions.