You devote energy to it and position your product (you) to be the best possible value proposition around. 

Now you determine what cash-on-cash you want and what loan product fits that goal.

I've thought of starting with them despite the additional work to get the Executor on board, because I hear it can be quite a productive list. 

Vacancy will depend on the product you are providing, the market demand for that product in the specific area your property is located, the market, how you price your units etc...For example I own one duplex since 1993 that has a vacancy rate of less than 1% and I own a 9 unit bldg since 2008 that is 10%

I would go into the renovation thinking about the final product as a rental and how to get the most of that future investment, and less about what you want now. 

I work hard to enhance all the relationships around me and I take an extreme ownership position in all aspects of my life.

Is this a unique mortgage product only for physicians?

At the end of the day, we send a follow-up email to the team where we score our productivity for the day on a scale of 1-10 and list the tasks completed.

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.Discounts on some products and services are offered to BP members: https://www.biggerpockets.com/perks/proIf you haven’t been to it already, you might want to check out the BP blog: https://www.biggerpockets.com/blog/The site has quite a few tools that can be helpful for new members.

Yes, they will be using your personal credit score and, depending on your loan product, will use a debt-to-income ratio analysis (includes your personal finances) or perhaps the property deal itself (doesn't matter what income you personally make) to determine how much they will loan you.