What are the best courses of action here?

I want to have a game plan in action prior to reaching out to lenders. 

I typically don't comment on other's businesses unless I know from personal experience.

So I’ve read that unbrella insurance providers require you to use them for car and home. I am a land lord but don’t own my residence.What are my options?

Once you establish these relationships, deals will start coming your way effortlessly.

Quote from @Brandon Larson: It's important to have established policies and procedures, but I wouldn't put a lot of effort into that with only a duplex under management.

Eliminate debt, establish a budget, and save.

Eliminate debt, establish a budget, and save.

Well I may not be the most seasoned in the world but my wife and I have established processes that work for us. 

The best way to learn about how to really invest in real estate is to read books, listen to good podcasts, and pair that with going to in-person meetups so you can see people just like you, married with 3 kids, who are making it work for them.