Glad you have experience investing locally. 

Does anyone use, or have any experience with VA's for cold calling?

Additionally, I would like to attempt to do the process Owner/Builder with subcontracting work out as well as doing some of the work I'm comfortable with (I have some experience with bathroom & kitchen remodeling an am not new to the construction industry).

Had a very similar experience to you - would love to chat!

That might include things like adding units, converting commercial space to residential, or finding ways to boost income (like adding parking).The key is recognizing opportunities while walking the property, and that takes experience.

I would try to find an agent with investor experience and, ideally, a focus on investment properties. 

The "New Development Pitch" turned out to be a really good learning experience.

Just make sure you set up a LLC to rack up the required experience.

I do a meetup in Mesa on Saturday morning's which is a good place to come meet even more RE professionals and investors.You have the experience so now you just need the right strategy to grow the portfolio.

Coaching or mentorship in real estate investing can allow you to collapse time and "skip to the front of the line" by leveraging the experience and knowledge of those who have already achieved success in the industry.