These are the people - in my opinion- that need loan brokers the most, since they really don't have a grip on the market - and are thus more susceptible to agreeing to suboptimal loan proceeds / rates / terms. 

People even do this in Vancouver though it must be extremely challenging.  

In general, most people value STRs for sale based on the income of the STR.

I am in talks with a couple people now.

People have to remember that the seller finance space fills the gaps that the banks leave behind. 

Flat rate vet's the snot out of people to assure QUALITY.

The lot works and ok with living in one unit, just trying to find people that have executed them in Los Angeles City.

From this perspective, yes, I am still legally responsible.But how can both people be legally responsible for the same loan?

I've also held of holding properties in individual LLCs that are owned by one S corporation, which allows for a 60 / 40 split between ordinary income (regular tax) and dividends (capital gains tax rate).With the goal of minimizing taxation and liability protection, what would be the recommendation from more experienced people here?

People who fail to keep good tenants and turn over every year, they lose.