Originally Posted by qukslvr619

In most cases it is comparable and at the times in which it is $50-100 more, I usually just book. To me the extra money is worth it because

1) guaranteed seat that isn't a middle,
2) know which flights when I'm scheduled to leave/depart
3) earn miles
4) reaccom if wx/mx/etc.

Really the only value, especially if I have flexibility, are last minute domestic trips that would price out at $700+ or most international premium cabin travel.