Originally Posted by
eigenvector
Your company may or may not care but IMO upselling is the way to do because many companies want the actual receipt of the item that was actually purchased for reimbursement, not just a receipt indicting what Flex costs but from a transaction that you didn't actually go through with or subsequently refunded.
Exactly.
Also, when I "upsell" the fare, I have to pay for it personally. If I feel the difference is reasonable for the flight length, I will do it. I've also used my upgrades for the same reason.