Most success stories I've heard involves owning many houses and they are all at different addresses.One of the main reasons is because of the pain you experience  with a vacancy. 

Main part of the reason I'm still with my W2 job, and also the 401k as a backup in case my real estate goes bust. 

As a wholesaler your buyers are looking for mainly off-market properties.

Turn key rentals is my main niche where i live.

The main concern you are going to have is with seller financing how is the agent going to get paid.

We’ve been concentrating on the main living space upstairs at this point.

It seems pretty obvious that his model works well for him, but at least for me, the main takeaway is that this is just one model. 

Neither of us like asking for money (kind of a pride thing I guess) but that is the main thing missing from our business plan at this point.  

I have a small network of cash or approved financing in hand who are mainly looking for sfh's or mfh's. 

Like flying over to Catalina is super cool and mixing it up with atc flying through the LA basin .. brings back your radio skills  that we sometimes lose when I am mainly flying rural NW.. and not talking to anyone..