Currently, I have a full time job in the fenestration business, and I was legitimately curious if the whole concept of "indoor/outdoor living" had a major effect on home values in the Phoenix market.

Always expect the worst to happen with your tenants, they can be good people but still cause major damage to your property.

If the occupants start intentionally damaging the property, call the cops and file a criminal complaint. 

I know from experience that tenants can do so much damage to the property with out you knowing.

This would allow you to jump a lot of the hurdles that stop folks without the SSN... 30k is enough to do some damage, especially if you find a partner to pool money with. 

How do I go about doing all this in a cost effective manner and still make profits?

When do you typically go in to inspect the property to be sure there’s no damage (legally)?

Ultimately, through learning and copying their process, we were able to increase our available credit from about 250-280k to over a million in a few years and we were eventually able to transfer a large portion our personal debt that we were using for business purposes over to business debt that did not effect my personal credit score any more.

Somebody wanting to sue for you backing out of a bad deal or accusing you of selling them a property with defects like unknown termite damage).

I will incorporate these tips into my next analysis and for my consideration of macroeconomic effects in my area.