If you really want to get rid of them, sweeten the pot by offering to return their deposit after you verify the unit is empty with no damages. 

Quote from @Rick Im: Does anyone know of a lender that offers second mortgages on rental properties?

A magistrate is the lowest level judge who deals with landlord/tenant and small claims cases but they don't even need to be a lawyer to get that position. 

Learn the eviction procedure for your area, perhaps contact a lawyer in the field to help you with this one, and get the fraudster you're currently housing out on the sidewalk to sleep in a cardboard box where they belong.You're going to lose plenty of money here, but this will never happen to you again, and you can minimize your losses if you move as quickly as possible.

He may realize the offer he had was inline with the value.

This community will offer you so much value - don't be afraid to drop your questions here or reach out to any of the folks above directly.

But if your goal is to leave your day job soon, multi family will offer more cash flow typically.

And that is a licensed MLO  Lawyer or in some instances a RE broker..

Depending on what the potential jobs offer in terms of income, does this seem like a realistic strategy?

Propose starting small, like a single-family rental or house hack, with a clear, low-risk plan to minimize concerns.Leverage your industry connections and offer to handle the initial responsibilities, demonstrating your commitment and capability.