Miraculously, I didn’t lose my shirt, but I broke even on one house and, due to other circumstances, had to walk away from another.

Also, without even looking at the plans a 7 unit building will likely have flawed floor plans and/ or an inefficient layout unless its an irregular site.

You can do like a 2-1 buydown, 3-2-1, or even a 1-year buydown I think!

Post Dodd Frank sellers have continued the same bad practice of selling houses to occupants with financing at selling prices that are way high, can't be justified via any type of 3rd party valuation (appraisal, zestimate, tax value, even recent sales in the same area).   

Even as someone who owns multiple rentals I still heavily rely on tax strategist and CPAs. 

Even with a W2, it's completely doable with the right systems in place. 

OwnerRez – A comprehensive PMS (property management system) that handles bookings, guest communication, and even direct booking websites. 3.

The marketer (guru) severely understates the amount of capital, time, and knowledge needed to produce successful results.And the above mentioned are the BEST case; not even mentioning the guru strategies that are fraudulent, illegal, unethical, and plain not realistically achievable.  

Additionally, trying to spot paint even a white wall with white paint doesn't work, let alone other colors.

and if you're busy with your full time job it's even harder.