This bold pitch from Delta was impossible to overlook. When our reporter booked a domestic economy flight (the restricted fares most people choose) via the carrier’s website, Delta offered him the chance to “add convenience and peace of mind.” “Flex this fare for just $737,” the offer shouted, as if you’d be crazy not to jump at the deal. Trouble is, our reporter’s super-saver fare was just $248, so Delta was tripling the price to make it refundable. Gee thanks.