Utility hookup fees - If you are building a duplex where a single family house used to be, you are likely going to have to upgrade the water and waste water taps. 

If the upgrade does neither, then it is a bad investment, unless of course they are in such disrepair that they have to be fixed, for example busted out with wood boards in their place.

If that's the case, I'd agree it probably should be upgraded.

You could go bankrupt in a month if the system fails and you do not have deep pockets (or a willing bank) to help you upgrade.  

Also, think about upgrading to a Pro Membership and connect with those people around you.  

Plus you probably will do some upgrading to the property thus increasing the value of her security.

I am desperately trying to get 2 other rental units upgraded to get rented and now have added 3 more. 

Damn.Should I run or should I keep pursuing the house.As a side note it has a great covered patio and I was considering moving my family into the house for a year or two until we can upgrade.  

AND you might look into working for a Newbuilders- where the company pays you hourly to be there 10-7 or so and you get a certain commission on upgrades. 

Our main learning was not upgrading things to our standards, because they will not be cared for at our standards.