https://support.inkling.com/hc/en-us/community/posts/31810852843917–%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
