The investor that starts with rentals and stays with rentals will over time want to be like @Steve Olafson Better quality multi family or commercial as they soon get burned out on SFR's ( again only talking about passive investors not investors that own SFR's for a living like a @Dawn Anastasi)  or many others.

We focus first on safety and code compliance items, then preventative measures to curtail further damage, then things to improve energy efficiency and lastly on cosmetics.

sa=t&rct=j&q=&esrc=s&so...He has great energy and awesome ideas about the importance to follow up and how to follow up.I hope this was helpful!

Is it worth the time and energy to even cultivate a team of bird dogs?

I've been burned a bit too much on lower quality units and cheaper areas ~ and the headache alone, just isn't worth it to me.I have a buddy who is the complete opposite.  

Then you have an even bigger issue of other heating sources being used like the stove or space heaters or burning phone books in a trashcan (Yes, we have seen it!)....

Could be laughable as our clothes, cars and sidewalks may all be capturing solar energy at some point.

So many other countries embrace modular / component construction, as it's more precise, energy efficient, etc.

He got burned in 2008 and the opportunities haven't been available for some years.

So, if you wanted to sell your 100K house and buy another 100K house that's a better investment - that will probably cost you around $15K in expenses (i.e. money that you burned).