They don't care about Yelp or the internet.

And what is this air of superiority in this place..so in your little internet world 21 posts means you're less of a human being, gotcha, again that's in your little internet world 

.- Value add - When building additional units, what steps should be taken to determine how many can be built?

You will also need to determine how much you want to raise.

these investors were all chasing easy OOS cash flow:https://www.biggerpockets.com/forums/963/topics/1195280-expe...https://www.biggerpockets.com/forums/48/topics/1160450-run-i...https://www.biggerpockets.com/forums/48/topics/1137397-balti...https://www.biggerpockets.com/forums/52/topics/1010977-12-00...if you're serious on investing in an OOS market i'd pick one, get to know it, go to it in person, and build a team, and then determine what would you need to do to get a good return in that market. 

That is the determination you need to make.

This is a house that I’d tell others to run from, but since we already own it we’re just trying to determine best options.  

Renegotiating some utility contracts (garbage and removing some on site office paid internet/phone bills) 5.

When you have a duplex and tenants on both sides stay for ten years, it almost guarantees that something isn't right.I would study your market and determine the value of your rental, because I bet you are losing money every month.

Your real estate agent will help determine what level of staging will make the most impact on your house and market.They can help you decide if professional staging is worth the investment, or if you can knock it out with their advice alone.