You can take it a step further and create a series llc too, and put your primary home into a trust.  

BUT if you want some advice, please know it doesn't happen overnight, it can take time, knowing people helps, trusting people helps, and know, you live and die by the phrase:"You make your money when you buy, not when you sell.""

I wouldn’t be able to do it without having a responsive property manger that I trust.

I naively trusted a contractor I had built a relationship with over the past several months.

That said, it's almost always good to work with someone you trust and if you have a good rapport with your current agent, by all means work with her and disclose to others that you have an agent.

I want to be establish trust with the seller so we can pursue the best deal possible.

This depends on the trust level and experience of the property management team.

Part of your team would be to have a handyman you trust to do the annual walkthroughs to check everything and perform maintenance as needed.

Do you have a copy of a note and deed-of-trust you signed at either an escrow or title company as well as all the other loan docs typically expected by a lender?

Get an attorney that you can trust or hire a property management company to take care of this for you.