That would be my absolute minimum starting point - but that is based on my market. 

The webpage has them based in Maryland but they aren't listed in the state's business directory.

I would start with them.I am not based in LA, so I don't know your exact laws, but I think I can still provide some initial direction for you to find answers, and maybe offer an idea to research.  

This will vary based on region but in general 2 – 5 points, 9% - 16% APR (meaning this is the annual rate so divide it by 12 to get the monthly interest amount), and documents fees can be from $600 – $1,900.

Based on the knowledge and experience you have, would you consider this strategy if you had to go back at my age?

Based on my analysis, the ARV looks to be in the $720-740K range, and after running the numbers, I anticipate a profit of about $40K including all the junk fees and agent fees.A couple of things I’d love your input on:Do you think it’s worth getting another quote from a different GC?

Last time in my MFD ( multi Function Display) went off line and I had to break off and climb out of the clouds get on top and go back to home base.. that was a 15k  box that broke :( 

Each town has its own benefits and drawbacks, so be sure to research them based on your rental approach.

The information shared is based on my experience and industry knowledge and should not be considered legal, financial, or investment advice.

"Soon" is the operative word!