There is no such absolute rule or mandate for REI - it is up to you on your comfort level with your cash flow versus total investment versus appreciation potential.If I followed that rule, I would have missed out on a LOT of great opportunities over the years.We bought a house in Jones Valley in 2017 with negative cash flow - why? 

Some people like having just one account for all their properties.

So you're going to get responses from a lot of people that offer coaching.

Join one and start volunteering - it’s the best way to network and meet like minded people.

I was wondering how people managed to scale their businesses faster.

I’m eager to learn from people who have been through it already and are open to sharing their knowledge.

Plenty of people do have 10-20 unit and work thru it, you just need to think it thru and have a plan if you don't want to do all the work. 

I was wondering how people managed to scale their businesses faster.

There's a big swing here in insurance and tax calculations I see and getting those numbers accurate are critical for your ability to not miss on good deals

Some people will rub you the wrong way.