For the mixed-use building idea, you’re right to be cautious about vacancies as a remote investor.

everyone wants those deals, and so you're competing remotely / from your computer against experienced investors in person in any market you'd pick. 

You may want to consider working with your accountant remotely to expand your options.I would also recommend looking for a tax strategist who is willing to work with you throughout the year, not just when preparing your tax return.

A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant who specializes in real estate taxation, business taxation, financial planning and tax planning.You may want to consider working with your accountant remotely to expand your options.I would also recommend looking for a accountant willing to work with you throughout the year.

For example, incorporating energy-efficient solutions and smart home technology has been a game-changer in similar markets, especially when paired with features like office spaces that cater to remote workers.As for potential add-ons, corporate housing partnerships are a brilliant suggestion!

For example he is trying to place a bookcase door to access a small amount of storage from the bathroom.  

Or what are other ways I can access this equity to purchase?  

Even if you are remote and hire a PM you still have to manage the manager.  

Why ask: Access to consistent support after meetings can make a huge difference in your progress.

We still find buyers (and renters) that like open to a degree but want / need the office space for remote or hybrid work arrangements.When dealing with a market that does not have huge spreads on properties, one needs to define what is really important versus what is nice to have and see if the math works.