The answers for these questions should get you in the ballpark.

(The question I am asking is in the 2nd paragraph by the way, if you missed it)

Hey Chris,The first question for most lenders is exactly what @Devin Peterson said, they want to see experience doing larger multi-families.

Our records show that Freddie Mac owns your mortgage.).Question 1 - Just because Freddie Mac owns my loan, does this actually mean that my loan is federally backed?

I can try to answer your questions if you want.

I can relay a bit to your question below. 

I am a RE agent, investor and developer in central Houston, feel free to reach out with further questions or if you need help finding land that works with your numbers. - Chris Kersey 

What I know about this house is that there should be no mortgage (messaged realtor to verify), last sold for $60k in 2004.Rent in my area; $1,200 is usually pushing it but doable.https://www.realtor.com/realestateandhomes-detail/200-Walnut...At the end of the day, I love the idea of seller financing but I have many more questions when it comes to different types of properties that might be mortgaged and how does one pay the monthly payments on top of paying the equity to the seller at the same time.

Here are a few of the things I would consider as you explore this strategy or ask your CPA questions. 

About your question, I’ve worked with Nader, Travis, and Upside.