There are still areas where you can buy units for $200k/ door but they require a lot of work usually and covering all operating expenses and interest payments can be challenging base on low-ish rent levels in some places.

It sparked a passion within me for real estate investing, particularly with the dream of building generational wealth.I'm based in the vibrant Denver, Colorado area and I'm reaching out to this community with hopes to connect and network with fellow investors.

How would you screen high quality tenants based on what criterial; credit score?  

Adapt your approach based on the local conditions and keep refining your investment strategy as you gain experience.

I know investors who purely work with one broker or lender, because of the strong relationship they have built with that individual person, I also know a lot of investors who jump from bank to bank just to get the best terms, and then never come back.

Not only are you new to lending, but - even if it was a secured loan - I"m guessing based on the amount it'd be in second position.  

What kind of fee setup would make you jump for joy?

I am based in Minnesota and also have connections in Louisiana. 

Seller claims they never were served and Seller broker is not releasing based on Seller's word including saying they are seeking legal counsel (they have been seeking legal counsel since December). eXp MN state broker team has been unresponsive and very unhelpful throughout the process.

However, for any SFR and duplex, a residential lender will value the property based off the sales comp approach, just an FYI!