I'd like the building to be within 10 minutes walking distance from a Brown Line L stop, ideally in Lake View, North Center, or Ravenswood.

I jumped into real estate doing the BRRRR method, understanding that holding property will allow me to build generational wealth, but then learning that landlord income is not the best way to feed your family.

House hacking is going to be a great starting point to building your wealth that you can leverage in the future. 

Any other books you would recommend to someone completely new to real estate investing but who would like to build a solid foundation going forward?

If you are just looking to network I would go the route of meetups locally (you can check above at the toolbar, hoover over forums then to the right you have events and meetups.If you are looking to wholesale and build a list of buyers that fix and flip for deals you may have then I would pull lists from 3rd party sites like Property Radar or propstream.

Keep building on your success, and your story will continue to inspire others!

Assessments in NJ are not done on sale, unless it's a new build or a complete renovation where the permits tip them to reassess, so every three years or so they reassess all of the properties and taxes go up most of the time.

That 36% rent increase while keeping happy tenants shows how smart and intentional you are about building relationships, not just cash flow. 

Want to buy an old commercial building or gas station that had leaking PERC or leaking gas tanks? 

See, when building a portfolio, appreciation is key, and the #1 factor that will dictate things.