Glad to have you as part of this awesome community, Jack! 

In light of this, I have been exploring the possibility of pursuing creative finance options, specifically seller finance deals, as a potential means to achieve my goals.

This doesn't replace the need for a MSA that will capture additional clauses needed on a Contractor-SubContractor relationship, this is just a project specific form you would use in addition to the MSA (prepared by your Attorney):This template is for informational purposes only and does not constitute legal advice.

This means turnover, which happens in any business.  

Any marketing should always be based on the information provided by sellers in a deal. 

Materials will be about the same, but labor may vary greatly on location.

Are you open to house hacking for this 2nd property?

Does this approach seem reasonable, or am I undervaluing the property?

I wrote the above for informational purposes.

Here is a recent bulletin from PSI with more information on the exam & requirements for becoming a broker.