They offer so many webinars and other material that definitely helped me understand a few things I was confused about.

This is a side point, but why spend 75k, or whatever on guru materials when you can buy the same books etc for pennies on the dollar on eBay?

Usually with mold if you can find the source and either remove the building materials as much as possible and or treat it with chlorine mixed with water. 

Despite all of the technology, this is a PEOPLE driven business. 

I can't help but feel like Airbnb has gone the way of uber and Lyft the market is so saturated with everyone trying to get rich quick that's driven the prices way down. 

SFHs are a home buyers market requiring you to compete with home owners to buy and depending primarily on appreciation where as the value of a multi is driven by the rental income and like minded investors.If you want to be a home owner managing a tenant buy a SFH.

There have been incidents of new apartment buildings partially collapsing because the developer decided to maximize profits and skimp on the materials. 

This is what has driven up the median house price to the $350k-400k range.

Rental income is always passive income and never subject to SE tax even if you materially participate.If you are completely shutting off your schedule C business, than you would not report anything in schedule C.

I’m looking for cheaper materials to use on low-end rent-ready rehabs.