This idea involves not taking control of a property, but instead, helping existing beach home owners sell shares in their own properties.

The banks MAY call the loan due but it is not illegal to buy a property sub to the existing mortgage.

3) What would be the best way to get a mortgage on a new LLC, would our stake by our existing LLC create an issue for financiers?

After so many homeowners are displaced, some will need to rent temporarily, but existing renters may not want to move back. 

Building a new SFH (and then holding it as a rental) appears to be a better option than buying an existing SFH.

Or how about those who are burnt out on there existing PM how's charging them a mint?

Also, whats the current use of the property as I spoke to Inglewood planning officials to inquire about doing an ADU or additional unit on a R2 lot, with the existing use being a duplex, and they gave me a hard no to both.  

For example, a buyer may be willing to purchase a property needing repairs, take on existing tenants, or be willing to cover some or all the closing fees.Of course, selling in a hot market means you may pay inflated prices on another property.

After all isn't that why this Forum exist?

The supervisor they assigned to this branch frequently cites non-existent laws, delays owner payments, and the list goes on.