Also you seem to be motivated to build since you already have these lots. 

My vision is to bring together motivated people to support one another and potentially form an LLC for group projects as we grow.If this is something you might be interested in, I’d love to chat more and see how we can help each other on our journeys.

Understanding their motivations allows you to frame your offer in a way that aligns with their goals.

If I had grasped this concept five years ago, my achievements today would be even greater. 

Seller was extremely motivated to sell and we closed pretty quickly.Here's the issue- we've been unable to rent the 2 renovated units.

I'll let others chime in on their experiences, but from a motivational perspective, I think attending live events and getting the "conference high" is something that only happens through in-person connections and being in the same room with investors who are eagerly pursuing their real estate/financial goals. 

Locate a Motivated Seller that will consider Seller Financing.

Without the high leverage you reduce the top source of return in CA RE which is achieve via the appreciation on a high leverage property.  

That said, I'm grateful for the alternatives you present--you're keeping the bottom line in mind, so I appreciate your help in exploring options that achieve the bottom line for the investors. 

If you have any upcoming deals that need funding, I’d love the opportunity to collaborate and see how we can work together to achieve mutual success.Looking forward to hearing from you!