Knowledge.  

Stay away from these.

@Stephen Bruce Tenant leaves system for free agreed to in writing by both parties or tenant removes the system and returns property to move in condition.If the systems stays, the next tenant can use as-is. 

Wealth of knowledge in this group. 

I have seen your posts on other threads and I appreciate the knowledge you share so willingly .

And they have stayed that way for a long time (although Allentown area kind of became its own category due to rapid growth). 

I would definitely  consult with someone in your area that is knowledgable of the landlord tenants laws locally and in the state of California.

He lives in the down unit of his duplex and he let's his step son stay in the up unit.

Hello!
Why are people paying these prices!?  They have been for years!  Numbers don't pencil out for a 30 year mortgage, but property still sells!  If the buyers are cash buyers why don't they just put their money in...

Stay creative!