If you do decide to help them out and rent continues to be late simply have a talk wiht them and remind them that rent helps pay your bills and since you did them a solid ask for the same in return.  

He knows we plan on continuing to grow our portfolio.

We wish you continued success in your investing endeavors and we hope to serve you in the future as the need arises.   

How do you continue  guaranteeing a rate of return or redemptions when the asset class is real estate which is not liquid?

I believe they will continue to respond to all notices where they are required to do so.

You could form a month to month lease with a just a days notice to vacate so you could end it as soon as you get your license ready to close, the seller might be open to it.https://www.hostaway.com/blog/rental-arbitrage-joshua-tree/Or, you could continue to list on the seller's Airbnb and you could become a full-access co-host on their account - handle all communication, pricing, etc.

If you hire a PM, your financial account structure can be simpler.If you plan to continue purchasing rentals, I like some key accounts at the "management" level (income, opex, tax, owncp, reserve) and only have 1 checking account per property to prevent having 100 accounts and unnecessary complexity.

Hindsight Critique•Continue to build relationships to increase deal flow•Property manager (Mercer Hughes) is critical to completing renovations and quick tenant placement•Continue to build relationships with private lenders and personal investors•Have cash available to make quick competitive offers Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

On top of the extension, we had to continuously ask over and over, and over for updates. 

My goal is 25 doors in 5 years, my struggle right now is deciding to either go back to work and save up money to continue or come up with a way to leverage financing to stay afloat myself and stick with it, waking up everyday 100% dedicated to my real estate.