https://support.google.com/admanager/thread/306354469/%F0%9D%9F%99-%F0%9D%9F%A0%F0%9D%9F%9D-%F0%9D%9F%9D%F0%9D%9F%A0-%F0%9D%9F%9B%F0%9D%9F%A0-%F0%9D%9F%9C%F0%9D%9F%9E-%F0%9D%9F%99%F0%9D%9F%98-what-is-the-cheapest-day-to-buy-amtrak-tickets-approach-guideline-%C2%AEhttps://support.google.com/admanager/thread/306354469/%F0%9D%9F%99-%F0%9D%9F%A0%F0%9D%9F%9D-%F0%9D%9F%9D%F0%9D%9F%A0-%F0%9D%9F%9B%F0%9D%9F%A0-%F0%9D%9F%9C%F0%9D%9F%9E-%F0%9D%9F%99%F0%9D%9F%98-what-is-the-cheapest-day-to-buy-amtrak-tickets-approach-guideline-%C2%AE