Originally Posted by
nerd
As suggested in another thread:
Try booking a ticket with points and then cancelling it (there is a 10% penalty for re-instating the points). The cheapest Amtrak fare I know of is Chicago to Summit, IL ($4) so probably cheapest in terms of points (800).
Then call AGR and see if you have a new points expiry date based on that recent activity. The 10% penalty will cost you 80 points.
You have to actually take the trip (have the ticket "lifted") to get the points posted and therefore, generate activity.