https://www.transfermarkt.com/-amtrak-%F0%9D%9F%AD-%F0%9D%9F%B4%F0%9D%9F%B1%F0%9D%9F%B1-%F0%9D%9F%B4%F0%9D%9F%AF%F0%9D%9F%B4-%F0%9D%9F%B0%F0%9D%9F%B2%F0%9D%9F%AD%F0%9D%9F%AC-what-is-the-cheapest-day-to-buy-amtrak-tickets-/thread/forum/659/thread_id/2945/page/1#anchor_3141