You didn't write how much 'sweat equity' you put into this place, but it was likely well worth it given the $400K cash out.  

I’m particularly interested in exploring strategies for acquiring and managing multi-family properties, as well as understanding how to leverage technology and data analysis to make informed investment decisions.

Make sure they are "investor friendly" and well connected in the neighborhood.

Sounds like either some of the information provided may have been exaggerated or changed, or possibly you could have been dealing with an identity theft situation as well.

I have family in Houston, Dallas, and the Valley, I was networking with brokers in San Antonio, but the Taxes seem to be quite high as well in that State, although much favorable laws/regs on the landlord side.

You’ll want to make sure your cpa is well versed in short term rentals. 

RentRedi’s syndication marketing helped us secure a great tenant in under four days, including employment and landlord verification, as well as criminal, credit, banking, and eviction history checks.

If you have a buyer's agent, you should have already signed a buyer's representation agreement and that fee/commission is disclosed in that document so you should very well know what that charge will be.If you were the seller and going to owner finance the property, what would you want to see from the buyer that tells you that they will be able to pay the mortgage moving forward. 

I know a lot of investors have done very well in Peirce County but I just haven't learned or know enough about that market to make an investment there.Washington state properties are expensive and can be difficult to make breakeven let alone cash flow at this moment due to the combination of high prices and interest rates. 

As well as accessibility to them for you to strategize and get answers to questions.There are several QIs like us right here on BP.