Originally Posted by
MIT_SBM
Don't worry, Pre-Check will become all but required along with the associated fees. Slowly but surely the program will be expanded to cover all US airports. Subsequent to that there will be changes that will make not participating in Pre-Check [or whatever they decide to call it] the choice of last resort.
Bolding Mine: Knowing this present administration, not participating in Pre-Check might eventually garder a fine...er...penalty...er...tax. Yea, that's it, a tax!