I went with continuing my USAA insurance and upped my personal liability slightly, added an umbrella policy ($1,000,000 coverage) which was very reasonable about $18 a month and required my tenant to have renter's insurance, which they did.

I believe in the power of networking and collaboration, which is why I am eager to connect with fellow members here on BiggerPockets.In addition to my work in real estate, I am committed to continuous learning and professional development.

Do I just leave it as is (of course making sure I’m covered for liability) or do I fully insure and continue applying for the loan?

You are going to be paying a lot to have someone living in it.While you are living with your in-laws, continue to put aside the money you'd be paying for the mortgage (after the house sells) and save it up. 

Continuously educate yourself through books, podcasts, and videos, such as BiggerPockets Podcast and YouTube channels.

Let's get this stadium built and see if the momentum will continue.

Having a PM will allow you the time to go and find additional properties and continue to grow.

In my experience, the groups with long track records of continued success have always allowed their success to speak for itself.  

It will enable you to continue living for free while your residents pay off your mortgage for you.There are several turnkey companies in the middle/southern part of the country where you can buy high quality single families for under 275k in landlord friendly states.

Buying a piece of heavy equipment like an excavator or Bobcat can definitely save you money long-term if you're going to continue to use it frequently.