I've flown over 200,000 miles this decade, and I've noticed that budget airlines often advertise rock-bottom fares but then hit you with fees for everything from checked bags to seat selection, sometimes doubling the final price. Is the airline industry's pricing model deliberately deceptive, or are we as consumers just not doing our homework? I wonder if regulators should step in to force more transparency, but I'm not sure how that would work in practice without stifling competition.