Having just done this recently: You can take the FlyAway bus if you want, but if you want to take trains as much as possible, there's a pink airport shuttle to the Green Line shuttle to Aviation station (https://www.flylax.com/lax-traffic-and-ground-transportation#Public-Transportation). From...
No, it has not. I called AGR today, and they confirmed they're working on it. Since some of the travel for one of the members I'm referring has happened already, they said worst case, have them sign up and they'll manually credit me with the points, in case they don't get the system working in...
How long ago did you use it successfully? Last month I sent referrals to five different emails, and none of them came through. I know I've been able to make it work, but the last time was so long ago that AGR had a separate domain name. I wonder if something broke in the system when Amtrak...