I'm certain there are good strategies people are employing.  

I would not get advice on this from people here also realize a LLC in California has some really hefty fees per year so something to consider 

So in the next few years we could have a recession happen and the investors with investment grade tenants with fixed payments knowing what they are getting that is  very desirable to a lot of people to own those assets.  

I'm not looking for partners, but rather people to collaborate with as I'm working to scale my business.  

And a lot of them watch Bp but dont post. 1.4 million people earn over $500k."1.4 million people earn over $500k."

For people to get a better sense of what you accomplished feel free to provide more details.

I assume many people here do their own cleaning when they got started so maybe it’s well known by people who aren’t me?

Ride your bike and talk with people you see.  

I’m especially interested in learning from those with experience in more expensive housing markets and from people who used really estate as a way to invest for their kids' colleges.

Charge the late fee, a lot of people don't and that creates a relationship with the tenant that indicates to them that it is okay to pay late.