You act as the owner builder and hire each individual sub contractor or you hire a general contractor.Based on the criteria above, how did you experienced flippers select your contractors and estimate repair costs vs how do you newbie and novice investors propose to do so?

That way, we can either give the entire list to a general contractor to give us a proposal, or we can send segments of the list to specialty vendors (like plumbers, electricians, etc.) to have them provide a proposal based on just that section.Happy to dive into this further, feel free to reach out if you have any questions about this! 

I’m curious of how to propose to the owners that I am interested in the property.

We have been offered a proposal to be bought out.

I think Dion McNeeley does a pretty good job of going through some issues with rent control in this video: (11) Proposed Renters’ Bill Of Rights.

Here goes:1 - An offer is a proposed purchase price to buy the property based on financial analysis (only) which turns the property acquisition into a deal. 

Please DM me the particulars, and I'd be happy to proposed. 

Sounds like a mixed bag of not so much proposed as easy entry.

She said she would be willing to hold the note but wants me to make a proposal.

That's not correct for San Diego, if you are proposing a multifamily (defined as 2 or more per lot) you can also take advantage of this.