We are approaching 100 guests, if we haven't surpassed it already, and only 1 of them was an issue that required AirBnB to get involved. 

Because my son is also super involved with our properties, I wanted a seamless interface for him to be able to use. 

Don't underestimate the amount of effort involved.

I have pretty diverse investor clientele.

This would depend on how involved I am in the rehab process he said. 

Our investor class is not primarily made up of other real estate investors looking for double digit returns but a mix of accredited and non accredited investors looking for diversity and monthly distributions.

When they do these designs, they are involved with the building process, which means they have control over it, as well as being available to address any problems that are encountered during construction. 

@Jessica CotéHouse hacking involves transforming a carriage house into a long-term rental for landlord experience and extra revenue.

Important metrics will be population growth and job growth diversity (avoids boom bust industry like mining or oil), population growth, new construction, and I look at median home price growth and rent growth. 

If you did the cash to HELOC workaround you wouldn’t have to worry about a seasoning period (I don’t think) since you wouldn’t involve the bank until after closing on the property (which you would then own free and clear).