Originally Posted by
travelingdrsuz
The one time you think you should buy BE to save the money because you are absolutely sure you won't need to make a change or cancel, you will need to make a change or cancel. Just buy Main Cabin anyway. You get a better deal all around and much less risk and more benefits all around.
Whether or not you get a better deal depends on the fare difference (admittedly, usually not a huge delta, mind you) and how sure you are. The added benefits of main are a complete non-issue for many of us on ft.