Realize you are likely going to use CA Fair Plan (due to fire risk) and that is not cheap.  

What is a fair offer to make to that GC, and what kind of deal should I not accept?

You've probably heard of big Landlords losing property, but only because they were flagrantly violating Fair Housing, running a slum, or otherwise violating the law in an egregious manner.

Scott's book in 2020 or 2021 and found the estimate sheet to be fairly close to what I was paying at that time.  

You want to be $50 under fair market value not $300 over.

I do my fair share of $300k-$700k sales here in Los Angeles don't get me wrong, but my easy math brain loves using the even numbers for examples!

The sponsor is the one driving the ship, the one making decisions, the one who has to communicate, the one who is the bearer of good and bad news!

We recently sold a rental in Columbia, SC and did fairly well.

For primary residences, taxes paid equal 4% of the fair market value of the home times the local millage rate plus any other local district taxes assessed, such as for fire or police, but with a school district tax credit.

Additionally, they offer some AWESOME services such as: SMS MANAGEMENT(they will text your leads and communicate with them for you, then send you the details of their discussion for you to close the deal with the seller), COLD CALLING(If you're not good on the phone, they will cold call your leads and get the info you need, then you just call them and close the deal), and they offer more services as well.