If the person still has their license, your threat of a complaint is usually enough to scare the individual straight.

GreatSchools.org is a great search tool for assessing a school district's quality.There's a lot more I look at, but those will get you started. 

I didn’t start out part time, I jumped straight in as a full time agent and I feel this is the way to go because it forces you to stay razor focused on your business.

However, with the beginners guide and listening to a few of the podcasts here, I can't think of a more straight forward way to earn passive income than owning and renting property.

As long as there is sufficient cash flow and you maintain reserve capital, leverage can be a great tool that allows for exponential growth.

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.Discounts on some products and services are offered to BP members: https://www.biggerpockets.com/perks/proIf you haven’t been to it already, you might want to check out the BP blog: https://www.biggerpockets.com/blog/The site has quite a few tools that can be helpful for new members.

Door knock them yourself, Skip trace them and call/text (they may have already left) Skipgenie.com is a great tool for that, Post a written notice to the door (all that's required in most states), consult your attorney. 

See the Tools tab on BP, there are calculators there:  https://www.biggerpockets.com/real-estate-investment-calculator

I'm thinking that, if you can buy the house straight up (no mortgage), pay a lot rent of $1k and rent it out for $1,600-1,800...

You're there to engage, ask questions, study, master the vocabulary and pass every test keeping in mind you are acquiring a tool you can utilize to accrue *Career Capital