Thread: Double listing economy/ business (United). Check-in?

It is an e-ticket, and id90.com automatically does the listing when the e-ticket is purchased. It doesn't give me the option to purchase without listing.
Normally I like that-- saves a step. But in this case it makes it a little harder to be responsible and considerate.

This is the part of the pass agreement explanation that makes me think I need both:
"Travelers must hold an e-ticket for the cabin they travel in. You can purchase both Business class and Coach class tickets, and refund the unused pass. Purchasing a First Class ticket provides you with additional options, but does not guarantee a seat in FC, it only increases your chances of boarding the flight. NOTE: If you choose to sit in economy class if first/business class is full, there is no refund given on the difference between economy class and first/business class e-tickets."

I will post again closer to my travel date to get an idea for loads so I can know whether trying for business class would be wasting my time. I'm is still a month out.

Thanks.