Is there a no-brainer explanation of how to set-up a local network for testing with the SAFE CLI? Or maybe a script! 
ping - see DMs
Thank you @southside for sending me a script, and from myself a slap on the wrist for not having paid enough attention to…
RTFM: Run a local network in the CLI docs.
Better give it a try!
My script is really just a lot of decoration around that command - its nothing advanced at all