TSA pre-check. Best $85 spent to date.
As a followup: 1. Global Entry (international travel precheck for American permanent residents and citizens) is $120 and includes TSA precheck. 2. The high-tier credit cards (Amex Plat, Chase Sapphire Reserve) give you credits for Global Entry and/or TSA Precheck. They cost in ~$600, but my Amex Plat pays for itself with: - Global Entry for wife, parents (as authorized users) - Uber credit $15/month - Clear at the ai…
https://www.cbp.gov/travel/trusted-traveler-programs/global-...
Definitely worth it.