You are talking about a sales tax?
The “fairtax” will require massive bureaucracy to keep track of who gets what in their “prebate”, which means we will still have to report income to said bureaucracy and the poor still get more than they paid.....
It’s like rearranging the deck chairs on the Hindenburg
I don’t know the full details, but as I understand it fairtax is basically a sale tax with the poor exempted from paying it