Originally Posted by will2288

OP, the fact that you are asking this question suggests you don't fly much in F. So go for it! Even if you look back and say, 'this was worth about $20, not $45' you have only wasted $25. There is no big risk.

I always consider the (slim) chance of an extended onboard delay. Especially in winter this is more likely, and you would get much more 'bang for the buck'.