We've had 4-5 email exchanges going nowhere, which I think exhausts the Cooperative Approach and I'm ready to maybe have an attorney write them a letter or serve them with something?  

Remain professional at all times and pleasant too.If you've exhausted your negotiation options and they don't move voluntarily, then it's time to serve a proper legal notice.

If you feel that you still need more guidance and mentorship after you've exhausted your resources here, then maybe you need the assistance of a guru to get you over the hump.

hello everyone my name is Chad Bellinger my wife and I have a plan on becoming retire early with real estate  we hear other people on podcasts and I've been listening to it from podcast number one recently to I'm on 3...

Obviously, this should lead to an interview where you ask an exhaustive amount of questions, but it's a good place to start. 

This is NOT an exhaustive list and you may see many other interesting ways of identifying target areas out there (e.g. the Starbucks or Whole Foods indicator) so stay curious and keep learning!

While this is by no means an exhaustive list, the following questions will help you get started on your new journey.Do I Need a Partner?

Exhaust every possible outlet you can to contact any and all potential leads.

Social media vetting of tenants, exhaustive interviews of management companies, walk each unit, etc. 

It's an exhaustive process, but one that really needs attention.