https://forums.windowscentral.com/threads/%F0%9D%90%9B%F0%9D%90%9E%F0%9D%90%AC%F0%9D%90%AD-%F0%9D%90%82%F0%9D%90%A1%F0%9D%90%9E%F0%9D%90%9A%F0%9D%90%A9%F0%9D%90%9E%F0%9D%90%AC%F0%9D%90%AD-%F0%9D%90%9D%F0%9D%90%9A%F0%9D%90%B2-what-is-the-cheapest-day-to-buy-amtrak-tickets.539597/