Direct communication with the builder has been the most effective method in my experience.

Quote from @John Busch: Truly appreciate the multiple responses and look forward to continuing our communication as we live in Southern CA and do not have many contacts in that part of the county. 

Many lenders allow for low-down-payment options if the rental income covers the loan.You’re approaching this deal thoughtfully, but be sure to communicate the benefits of your offers clearly to overcome resistance from the seller's representative.

Perfect for today’s market.Speed of Approval: He was aproved and had access to funds within two weeks, which gave him the edge to close on a high-potential property.Clear Communication: The team explained everything in plain English.

If you have clearly communicated your requirements to the prospect, then they are simply not adhering to them.

@Kyle CarterAsk about their communication style, does it fit with yours? 

However generally from working with 2-3 other PMs in the west coast, I am 100% fine paying more of a premium each month for a PM that is transparent and is able to give more time to communication.

I would work on my communication of my processes including letting them know asap of their schedule with me. 

Working with a business partner highlighted the importance of clear communication and shared goals.

Also, clear communication with your parents about goals, risks, and expectations will also help avoid tension.