And if a family office will demand more power and ability to change things to their own liking.

That said, Solo 401(k) with Roth component can be powerful and does open up the discussion with your CPA or tax pro about paying yourself more (within reason), in order to make higher contributions. 

Refi'ing into a 15yr loan is likely to both increase your effective rate and crimp your future buying power by increasing your DTI. 

I live in California and the housing market is extremely expensive. 

You get to rent to professionals who are less likely to trash your property, you get to charge a higher rent than long term, and you're being paid by large, 3rd party companies that are extremely unlikely to not pay rent.

This quick turnaround showcased the power of market timing and effective negotiation, doubling the initial investment in just one day.

In truth you don't have a lot of power over when and if she pays, but you can and should use the power you have.We have this clause in our agreement and we talk about it before they move in so that they are clear who the primary is and what that means. 

Once you are under contract you will need to put down an EMD (And I will say a $1000 EMD on a Northern VA home is extremely low, it's usually closer to 1%, that doesn't mean it can't get accepted.)On a side note, as a wholesaler, why not offer directly to the owners or their agent?

#2 - Larger 5-bedroom renovation into a sweet rental home Before Pictures (Zillow Link)After Pictures (Airbnb Link)These investors took something that was very boring and extremely residential-looking and transformed it into a cozy retreat for travelers with highlights being adding wood paneling, kitchen renovation, new furniture throughout, beautiful outdoor space with added hot tub and fire pit spaces for guests to hangout and an exciting game room space to occupy guests for hours. 

We have written agreements with both and our attorney reviewed both and we know we have an extremely good case in both cases.