@Mario CasarezIn my opinion, you would join a group like this to get access to their community of members, and they shouldn't only be educating, but helping you implement what you're learning, which can be challenging when you're watching videos, but unsure of what the next step is.They should also have a vast network of resources, docs, vendors, that you can leverage.

Similar products are out there, non conforming full doc loans might just be your best bet.What part of California are you looking at?

But, there are many other fees that you could be charged so read the legal docs in full. 

This one is available online for free at nfpa.org.Much of what's in these docs doesn't apply, because they cover a LOT of ground. 

I've sold rentals before and almost always was asked for a copy of my Sch E.Also during the due diligence and inspection, try to talk to the tenants directly to confirm how much they pay, and also if there are known issues that haven't been repaired (roof leaks, frozen pipes in the same area every winter, etc).

There must be a cause for mold growth, and that cause is almost always moisture.Check there are no roof leaks or attic window leaks.

It is basically a new house except the roof, which is metal and does not leak).

Tankless WH cost has dropped significantly, they tend to last longer and are less prone to leaks but the initial switch might require upgrading the gas line with potential higher installation price tag.

I purchased an apartment building in 2018 and I had Fidelity send over their boiler plate seller financing form as a Word doc and I just edited it.

If you can get 10 or 20 landlords to kick in $100, you can have a lawyer review the docs and laws and regardless of the review, send a letter threatening legal action.