People are splurging on first-class tickets in the hopes of a 3-minute TSA line

Travelers checking in at United Airlines' Premier Access desk at Chicago's O'Hare Airport. JOSHUA LOTT/AFP via Getty Images Some passengers have figured out a way to get through TSA fast. Passengers told Business Insider they shelled out for first-class tickets to get past snaking lines. Several airlines do offer first-class passengers expedited priority lines for security screening. Worried about a long wait at airport security? Upgrading to first class might be your ticket to a faster lin...