Every market is different, but in New Orleans there are two types of guests: 1)  Guests looking for a dirt cheap place to stay and don't care where it is, but will complain about the tiniest little things, when in most cases the Airbnb is much nicer than their own home.2)  Guests looking for a unique stay in a real neighborhood (how Airbnb started, until investors of faceless LLCs started to gobble up and change the fabric of these neighborhoods).

Just because the neighbor is a slumlord doesn't mean you should be too.Submeters are too cheap for you to have any excuse.

The cost to run is negligible as fuel is very cheap as well as manual labour and materials are also cheap and we grow as much of it as we can.

Find a cheap way to find sellers who need help, and then get busy serving them.

Then go to the Lowe's outlet in Avon and get a cheap set for less than $500 total. 

You may think it's cheap but the locals are probably horrified with prices.

Interest rates: Since your rental mortgages have relatively low interest rates (2.99%–4.375%), it might be better to keep them as they are, especially since borrowing at those rates is pretty cheap compared to current market rates.

Investors buy in an HOA because properties are cheap, but then they quickly realize Nazis and busy-bodies run the HOA.You can try to build a coalition of owners and fight back against the charge, but it's unlikely to change.

nope. the houses there are cheap for a reason.

You can buy duplexes relatively cheap here in Columbus, so they will cash flow great.