It does create an additional job for you, but one that can have a decent return.

Explore Various Investment Approaches: The BRRRR (Buy, Rehab, Rent, Refinance, Repeat) approach may still be appropriate in some markets despite its potential challenges.

Whether you're looking to expand your portfolio or explore new opportunities, I believe these properties could be of interest to you.If you have any questions or would like to discuss your goals and how I can assist you in achieving them, please feel free to reach out.

I know it might seem I am a little paranoid but I want to explore this subject and I cannot seem to find the right words to use in a Google search.... 

However, I'm facing a shortfall: I need an additional $300,000 for the down payment due to a delay in cash-out refinancing on three of my properties.

With the understanding that the Northern VA or MD area is the richest metro area in the country thus not many distressed properties are available to explore, I am thinking of looking into some other areas such as Prince William County and Montgomery County. 

However, when you sell it, will the assessor consider the additional square footage in the assessed value or only use the permitted square footage? 

There could be other avenues for you to explore. luck out there!

I'd love to see if anyone else has any additional tips on this topic!

Welcome to BP - this is a well explored topic here and understandable in a HCOL area as Boston.