I've spent 128 hours on overnight Amtrak trains. These are the 8 biggest mistakes I've made.

A Business Insider reporter spent 128 hours on overnight Amtrak trains, traveling 5,000 miles and identifying eight major mistakes, including not checking WiFi access, selecting the wrong bunk, and missing lounge access. The article details lessons learned, such as joining Amtrak's rewards program and upgrading accommodations for longer trips.