Never invest in any city on this list of the 50 most dangerous US cities.Low operating costs: High operating costs are one of the driving factors for many companies, leaving states with high taxes, regulations, and other costs.

Mounting shelves, a TV, or other large items that requires screws, bolts, or anchors should be regulated by the landlord and charged to the tenant. 

He also doesn't control regulations in the states/cities, but his attempts to cut regulations may trickle down and impact personal property rights and people's ability to use their properties as they see fit.

@Eric Andersen definitely put weight into what @Michael Baum wrote and do your own research on the city regulation/zoning.

Definitely follow the regulations in the area and if permissible I would offer to attempt to find an acceptable tenant and terminate their lease when that happens but in the meantime they will need to continue to pay.

Can regulations change?

I would look into any regulations that might require you to have a fence around the pool as well :)Hope that helps.

Very good point.In the case of Arizona, I have been unable to locate any state law / code that suggests Arizona may have additional regulations. 

Keep in mind all this stuff is uber regulated, very detailed, far from simple.

A good property manager can help with tenant screening, enforce lease terms, and handle evictions more efficiently if it comes to that.Require a Larger Security Deposit: Within the bounds of local regulations, a larger deposit can provide a cushion in case of damage or unpaid rent.Consider Rent Guarantee Insurance: Some companies offer insurance products that can cover lost rent in case of tenant default.