Just booked a flight on CO metal for ORD-SFO next monday night. When i was looking at seats, i decided to see how much the upgrade would cost for first (even though there was only one seat taken, so odds of getting the comp as Platinum are quite high).

Thought it must have been a typo - said $3 for first confirmed.

So i went ahead and booked, thinking it would give me the right pricing at some point... but i guess that $3 IS the right price

Just a quick FYI - always check the first upgrade price as it appears that sometimes you can score a cheap confirmation.... ^