Generally speaking an employee physically located within a state may create filing nexus for operating businesses.Rental RE may be different.You're never forced to incorporate anywhere, however there are specific circumstances in which you should register with a state's Secretary of State to conduct business within the state.

My complex consists of 7 individual buildings each with a different physical and legal address and consists of 6 different parcels, so your idea seems possible.

@Kyle SoudalanIt's about $150 here in Pittsburgh, $300 if you go all the way to physically getting rid of the tenant, but then you also get the help of the local elected constable to legally handle the ejectment, which is not at all an inconsiderable matter.In answer to your questions:1.

It doesn't matter what type of funds you utilize to initially purchase the home, it matters how long YOU physically owned the property

I am more than physically capable of carrying heavy things, working hard, and putting some time and effort into your investment.

Except instead of a number like PO box 345, you get to use the stores physical location, which tends to appear more genuine.

Honestly, I have been thinking of exploring remote investments in cities where I cant be physically present.

This could be due to the number of rentals you have, location of your rentals, certain physical details about your rentals, loss history, etc. 

These would be things like encroachments, where a fence or some other physical item is crossing over the property line (PL) from an adjacent property.

physical therapy office or small gym if zoned commercial...