Yes you're right, meeting other investors is essential to learning!

I'm wondering if I can still take advantage of househacking benefits if I partner with a friend who would be living in the multi-unit.

Essentially, It takes action and lots of it.Happy InvestingDerek Dombeck

I have done it and it will be a very profitable investment compared to traditional financing since you're essentially investing minimal amounts of your own money and reaping the benefits of the built equity and appreciation (and potentially even cashflow). 

Essentially, you are living for free and still paying off your mortgage with other people’s money.

Once your tax profile gets more complicated - you may benefit from reaching out to an accountant.The great thing about Washington is that they do not have a state income tax(only a B&O Tax).

They're a great way to start networking with like minded people and can benefit you in your investing career.

This is essential to surviving in this business.

Having LLC does not give you any tax benefit.

(If that just doesn't work, Just ask her if she knows of anyone that could benefit from your services) Build Value, Agitate their pains, Send the offer!