Amtrak: Buy one ticket, get one free

Amtrak is offering a buy one, get one free promotion on one-way and roundtrip rail tickets through Monday night.These flash sale tickets are valid for travel March 25 to July 29 on most Amtrak routes for both coach and Acela business class tickets, including prime spring and summer travel dates. No blackout dates.The companion and full-fare passenger must travel together on the same itinerary. The tickets will be issued together. One child age 2-12 may accompany each adult at half the regular fu