It sounds like you are looking for an employee as defined by most taxing bodies.

I tried calling around the respective govt bodies, but wasn’t able to get clarity on whether out-of-state investors can setup such a facility.

You'll need to provide Entity Docs for each LLC that is a part of the transaction so that the underwriters can review them all the way down to the natural individuals/warm bodies. 

He found out the carpet smelled so badly with the dog pee and wood floor was also damaged by the dogs after they moved out. 

Would the house still smell from the cats even if there is no carpet???

You need to contact the governing body that has jurisdiction over the zoning laws for either the incorporated or unincorporated of the county or city for the plot you are interested in building on.  

More than four months rent were lost between missed rent payments and legal fees to evict the tenant.The next tenant was much better, but had frequent complaints regarding legitimate problems: -bathroom sink hot water knob that didn't work-rat urine smell coming from the vents-water leakage from the toilet(I understand that problems occur, particularly with properties of this age, but it was surprising/disappointing considering I paid Ohio Cashflow $64.9k for a property they bought for almost half the price, then, even after having done improvements, still required frequent repairs.)3.

The lake in Lake Havasu City is beautiful when it is clean, and the city is working on that (darn houseboats dumping in the lake), but be prepared for a funky fishy smell when you drive into town on a hot day. 

You can't see slanted floors, understand mechanicals, and know the smell of mold from your chair.

Our robots cleaned the floor very clean and no any smell left behind neither.