Drop the Starlink into bridge mode, use the Gl.inet in front as your edge router, have WireGuard/Tailscale/etc connections back to more permanent infrastructure.
Even without a SIM card itself -- Android and iOS devices will tether over USB, so you can tether your own phone directly in and share the connection to other devices as well when you don't want to mess with Starlink.
Even without a SIM card itself -- Android and iOS devices will tether over USB, so you can tether your own phone directly in and share the connection to other devices as well when you don't want to mess with Starlink.