You and your legal, tax and financial advisors should review this transaction in greater detail, especially the PLRs, to ensure you understand the significant risks involved and are structuring the transaction as close as possible to the PLRs to mitigate some of the risks.

I did not want to spend 50K on doing separate meters for where I have my rentals it would cost me this much.

Review the agreement for how the UPREIT will work very carefully. 

Better Business Bureau reviews, etc.).Can I set up a self-directed Solo 401k if I have full-time job?

We plan to spend the next 6-12 months continuing to earn and save, as well as nail down a final market we want to househack in.

You would need to track everything you spend on the business unit and write those off and anything shared would be times 50%.

Stop hanging out with your deadbeat buddies who spend all day drinking, talking sports, and otherwise wasting away.

There i a bit of research that needs to be completed early on in order to get a good judgement on the feasibility of this; from there, the "Official" way to ensure you could pursue this would be to request a "Zoning Opinion Letter" to receive an Official decision from the Department of Zoning in order to ensure this will not cause any issues during your permit review. 

@JD Gunter I agree and should add that I spend 2-10 hours on the phone/zoom with each applicant before I let them into the program. 

Quote from @John Murphy: Before spending thousands on a course like Pace Morby's, talk to the actual members.