[kevao]

The FairTax is a horrible idea. What’s to prevent future congresses from increasing the FairTax rate to 10,000%?

/sarc

[Brass Lamp]

The FairTax is a horrible idea. What’s to prevent future congresses from increasing the FairTax rate to 10,000%?

Since there is no cap on "incluse tax" the correct answer to your specific question is 'nothing'. 50% TRUE tax=100% "inclusive tax", and 100%=infinity. Whatever a 10,000% tax would be is in there somewhere.