Yes, but your "highest and best use" is being an accountant to your clients, not handling the minutia of your RE portfolio!

Brian Spears’ account still looks open to me.  

Vet your contractors and hold them accountable.

I have my primary property which is a single-family house that I house hack.

., "I will buy at least one single-family home, duplex, triplex, or fourplex before the end of 2019") and then do it.

On a side note, oddly, the tenant before her was also a single woman, around the same age, stayed in the apartment for 10 months, no communication or heads up, left around the same time of the year.

Until now I've focused on distressed single-family and small multi-family properties for rehab into rentals (BRRRR).

I've done 7 myself and lived for free or better in every single one.

There are many service companies that will manage seller finance notes including the payments, escrow accounts, and documentation. 

Some costs are eliminated (such as 'soft charges') while others are accounted for in the interest rate.