I've spent so much time doing the research until I decided to just jump in.

Divide those costs up over the remaining number of years of life for those major systems, and then add a bit more because while you may want the heating system to fail at the end of its life, Murphy's Law says it will fail years before then, so you better start saving.If you do go through the purchase, I would treat those capex dollars as spent dollars and put them aside in a separate account.  

I've spent a couple of months perusing these forums, listening to the podcasts and reading real estate books.

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The Ultimate Guide is full of so much great information - FOR FREE - things I spent years and countless mistakes learning.Where can I get some info on HUD homes?

It could be $150 well spent just to see what they can do, see if you can get one more tenant out of them.As for plumbing being replaced though, see what a plumber will charge you.

Through the past 8 years I spent 4 in residential construction, so i've been rehabbing for investors the entire time, watching good deal after good deal, and my boss smiling as he stretched me as thin as he could.  

I have a Honeywell unit from the Big Box stores that let you remote in with an app on your phone.  

Not sure if it'd be worth the money spent to get a lawyer to do another contract with language that is not so legal sounding.  

Also spent a couple years as an Acquisitions Analyst for one of the larger rental REITs.