Maybe 7%-10% depending on how you are planning to manage his property.

Depending on who you get in your network, will your cleaner let you know of the damage that should be charged to the previous tenant? 

It just depends on the deal.

The 2.2 acres depends on the shape of the lot.

If the LLC doesn't own the property it would either need to be contracted to manage the property which may depending on the state require it to be a real estate brokerage, OR you could lease the property to the LLC and then the LLC could sublease the property to a tenant.

Pittsburgh is a great market for out of state investors…depending on your strategy and expectations.

Depending on the carrier, their underwriting history, and leadership, some carriers (more than others) tend to come and go out of certain markets while other carriers tend to choose a more long-term approach.  

I understand this may vary depending on location and the lender. 

While there are general guidelines, such as having six months' worth of reserves, it ultimately depends on your personal financial situation and goals.

It just depends on the look you want, but you'd want to do all of them, in that case.