Originally Posted by JBord

The ONLY reason I consider paying for an upgrade on domestic flights is for the bigger more comfortable seat. As a previous poster mentioned, if you're going to check bags, it will offset the cost of the upgrade by a little too.

I wouldn't even consider things like meals. They're not very good, and chances are you'll still have to bring on your own food for the kids anyway. Usually I buy something better in the airport even when there's a meal on my flight.