I've asked for referrals before hiring out work and just like that you're on the phone with another investor/owner.

There is a little more work and management involved, but it has a high cash flow potential.

Do the leg work and keep us posted. 

No guess work and no " I didn't know I was supposed to do that" BSYes you MAY have a cleaner that is great and does everything without asking.....but I would not count on it.....and many start that way and then slowly morph into getting lazy and neglectful of the job they were hired to do.....happens with lots of jobs and employeesSounds like a really big place too....VERY easy to get in "auto mode" AND just straight up forget something....just lots to remember to do....reviewing the checklist helps with that

Use those to get an idea for your initial scope of work and itemize out everything you want done so you can get an initial cost estimate on your end. 

What most on these forums truly don't understand is how the United States is shifting to a more European cycle of where people live and work and we're not going back to urban sprawl.  

______All door stoppers must work and any damages from previous problems corrected.

I feel like I'm getting robbed for $460 if it doesn't work and the bigger question is how would I even be able to buy another duplex if this one doesn't work?

First, in most jurisdictions you can "act" as the GC in your own home, meaning you can actually do all of the work and/or hire other trades and you can pull your own permits to build your primary residence. 

Usually contractors are looking for work and understand that they have competition and usually would rather get more work from one source.