I’d love advice on leveraging my existing assets, navigating seller finance deals, or other tips for scaling effectively.

Eventually, you'll come across my market in Kansas City and the cash-flowing properties in my inventory—many meeting the 1% rule and addressing all of your inquiries.

The entire Turnkey industry is slowly moving toward this where it is becoming standard for passive investors to expect this and companies to address issues.  

He offers really good service, great cost effectiveness, and currently finished one in just around 3 months. 

Not only would you effectively be giving up your right to proceed by way of non-judicial foreclosure, a very messy judicial foreclosure sale might not succeed and even if it did, ability to pass title would thereafter likely be subject to borrower's statutory redemption rights.

My interests lie in all areas of real estate, and I am eager to explore potential opportunities and gain insights into effective strategies.

Put myself and my own address there?

Sub2 is a risky strategy for a long term buy and hold as the longer the deal structure stays in place, the higher the chance that issues will arise (like issues with the loan servicer, insurance, seller filing for bankruptcy, seller dying, seller realizing their DTI ratio and ability to buy their next property is negatively effected and becoming upset about it like in your case, due on sale clause being called, etc.).

I believe this question addresses how effective the coach is at helping his mentee achieve their goal and if this is more of a transactional experience or a transformational one. 

This will help me address the process and opportunities more thoroughly and effectively.Thank you in advance for sharing your experiences and thoughts—I truly value your input!