The airlines suck.
Everyone knows that their pricing model is some form of black magic that no mortal can comprehend, and the prices you get for tickets vary based on, I don’t know, rainfall in Peru or something. But this was a first for me: the price of my ticket jumped $25 while I was purchasing it!
I was in Travelocity, making my reservations for a jaunt to a business meeting in California, and got the message shown below. Holy cow.