i also run a property management company, looking to expand in to clifornia. 

If the seller's insurance paid for a professional decomp company to clean up the aftermath then you should be okay.

Here are some tips to get you started:If you don't already have one, request a copy of your community's governing documents from your HOA board or management company.

Are there better companies to buy these homes from?

I have capital and would love to learn more about gap lending, helping flippers and wholesalers, but i need help learning how to best structure those deals, make sure title companies account for it correctly, etc. 

There's companies that fix everything. 

Hey Milind, I'm a local broker, investor, and property manager (100+ STR/Airbnb properties in addition to LTR).We offer mortgages through our subsidiary company, wholesale to over 100 banks and institutions.

To answer your question, I would say you need +100 keys to achieve the economies of scale and feasibility to hire a property management company.  

These platforms pool funds from multiple investors to invest in a diversified portfolio of real estate projects.Real Estate Investment Trusts (REITs):REITs are companies that own, operate, or finance income-producing real estate across various sectors.

To answer your question, I am not familiar with that DIY company but know of another one that a peer uses that might be lower for a property of your type.