So my question is, how practical is it to work a 40hr week and still being able to invest in real estate as someone completely new to the business?

This is just the time that the hobby hosts will be separated from the business hosts  

Learning SEO is important in any business.

I have always heard it is beneficial to create an LLC to help separate personal assets from business assets. 

Tenant just informed me they plan to vacate the property tomorrow (so, 24 hours notice) due to "the business growing and the space now being too small for their needs."

@Albert Johnson yes just do that, not only is it the correct liability stance but it's the correct way to run your 'business'.

If you don't know the investment side of the business, don't move forward because it is malpractice to do so.

or Nevada or Arizona, maybe, if that allows your to go to your projects in person.there's no such position as "BRRRR COO" that works for you - that's you until you get a team or business set up.

Have you looked into business credit cards or HELOCs to do the cosmetic rehab?

Well you know these people are out there, we all get them in every business.