What key metrics can I look at to determine whether or not this will be a worthwhile investment?

Ignoring the numbers is not a good idea, but understanding the numbers applicable to your locale is key.

The key is understanding how it works in terms of it's structure...Corporation -> Workspaces -> Apps -> Items -> FieldsI will say that while Podio itself is great, you really need to integrate GlobiFlow so you can create automations to help control the flow of your data and create tasks to run your business on.  

Network as much as you can its key! 

They called and told me the keys were on the counter, that the house was clean, and it was ready for the next tenant to move in.Click on the link below to see my YouTube video of what I found.

But, and this is the key part, is that every time we come over there, there's something new that's broken.

For example, you set up key word alerts. http://www.biggerpockets.com/alerts

For example, you set up key word alerts. http://www.biggerpockets.com/alerts

Caution on speculative developing raw land - - you can get burnt real bad.Suggest a marketing plan and presentation that you use to find that Anchor tenant and get them under contract before breaking ground.I'm sure you know the Anchor is the key here and w/o one, it will all wither and languish. 

I looked at some of his properties but backed away quickly due to the backlog of repairs and lack of paperwork, leases, and keys.