Does anyone have a good system in place to deal with this.

For one, specialty contractors only work on one or two sub systems.

A great place to start is https://www.biggerpockets.com/meet where you can find people in your area to connect with.You'll find some helpful tips at https://www.biggerpockets.com/starthere.For tips on how to get the most out of BiggerPockets, check out: https://www.biggerpockets.com/rei/biggerpockets-com-tutorial/The BiggerPockets Keyword Alert System is an awesome tool: https://www.biggerpockets.com/renewsblog/2012/12/19/keyword-alert-system/See you on future threads!

I checked the local GIS system and located the owner and contacted her.

I had a client one time where bank waived 70k in fees just to win the loan because they wanted the relationship of someone with 9 figures of wealth.This person it could be they control 1 billion of assets but are not a billionaire.

If you are actively building your portfolio, might as well take the dive now and learn the system.

I pulled them and updated the lease to read no dishes, I have no balconies or tenant controlled outer areas so I don't have to be worried about violating the dish rules.Companies never remove them when a tenant leaves and they rarely reuse them... so they become a dish graveyard.

Smoke and mirrors.I loved the way you started off by saying, "let's assume that...".This "analysis", profitability is based on future events you have no control over.First, the $945 at year 15 isn't all profit. 

Since I got out of the military, I had various positions, to include selling security systems with ADT. 

In these types of situations, I find it far safer for me as the buyer to take control of the property by doing this a subject-to type of transaction (we get title and record with a title company).