https://community.elementsofai.com/c/general/amtrak-what-is-the-cheapest-day-to-buy-amtrak-tickets-338a4f
Posted by elianakhari 13 minutes ago (https://community.elementsofai.com/c/general/amtrak-what-is-the-cheapest-day-to-buy-amtrak-tickets-338a4f)