A tidy, well-organized space can help the appraiser focus on the home's features rather than distractions.Research Comparable Properties: Have a list of comparable properties (comps) that have sold recently in your area.

Happy to chat and help you compare your options.

What is the current market valuation of the property based on comparable sales (defined as similar properties, within a 1-mile radius, within the last 30 to 180 days, that are within 10% of total square footage)? 

You're very under leveraged compared to most investors trying to scale.

Compared to what?  

I'd start by refining your search criteria, researching the surrounding markets, and comparing them to what best fits your needs, etc. 

The US Tax systems, when compared to the EU, seems to be setup for capitalists. 1031 exchanges, write-offs, etc.

That's comparing apples to oranges.

For example, if she can't visit the property, is she good at record keeping (so everything is organized at tax time) or finding vendors, comparing product prices, finding free or low cost items on Facebook marketplace to improve the rental)3. emergency fund.

And a condo can take longer to sell when you exit compared to a detached home.